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Grade 8 Pre-Algebra Worksheets — Variables on Both Sides PDF

By eighth grade, solving one- and two-step equations should be familiar, and the work now moves to equations with the variable on both sides — problems like 5x = 2x + 9, where the x-terms have to be collected before you can solve. Variables on Both Sides is the sheet for exactly that, and its three levels build from x on both sides, to numbers on both sides too, up to one side carrying a bracket — equations like 3(x + 2) = x + 10 — so you can drill weak spots or stretch a strong student. Six more Grade 8 skills sit alongside it, from two-step equations and brackets to inequalities, like terms and formulas.

Choose your question count, turn on the answer key for self-checking, and print a tidy PDF in A4 or US Letter. Used as a short, regular warm-up, these sheets keep equation-solving sharp while heavier multi-step and graphing work takes centre stage in class.

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Pre-Algebra · Grade 8

Grade
Topic
SkillEach skill is a different kind of question, with its own levels.
Level
Questions
10

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Grade 8 · 3 pages · A4

Pre-Algebra Practice

Grade 8 • Variables on Both Sides • Numbers on both sides too
Name:Date:

Solve each equation. Collect the x-terms on one side.

  1. 1) Solve for x: 3x + 13 = 2x + 15
    Answer:
  1. 2) Solve for x: 3x − 7 = x + 7
    Answer:
  1. 3) Solve for x: 5x + 5 = 3x + 19
    Answer:
  1. 4) Solve for x: 9x − 21 = 2x + 14
    Answer:
  1. 5) Solve for x: 4x + 23 = x + 35
    Answer:
  1. 6) Solve for x: 9x − 18 = x + 46
    Answer:
  1. 7) Solve for x: 7x + 4 = 5x + 8
    Answer:
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Page 1 of 3

Solve each equation. Collect the x-terms on one side. (continued)

  1. 8) Solve for x: 7x − 2 = 6x + 4
    Answer:
  1. 9) Solve for x: 6x + 5 = 5x + 13
    Answer:
  1. 10) Solve for x: 8x − 17 = 4x + 31
    Answer:
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Page 2 of 3

Answer Key

  1. 1. 2
  2. 2. 7
  3. 3. 7
  4. 4. 5
  1. 5. 4
  2. 6. 8
  3. 7. 2
  4. 8. 6
  1. 9. 8
  2. 10. 12
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Page 3 of 3

What each level generates

Grade 8 variables on both sides — the exact skill behind each difficulty setting, straight from the generator.

  1. Level 1x on both sides
  2. Level 2Numbers on both sides too
  3. Level 3One side has a bracket

Grade levels follow the progression common to most English-language curricula — not one specific national curriculum. Every level shows exactly what it generates, so you can check the fit with your own program. See the full scope & sequence →

Why fluency matters before formal algebra

Grade 8 leans toward linear equations, functions, and graphing, and every one of those topics assumes that solving an equation with variables on both sides is second nature. A student still thinking hard about how to isolate x has little attention left for slope or systems.

Use the variables-both-sides levels for regular timed practice on a fixed sheet — the shareable link keeps it identical — and track the time to complete it. When ten problems come back accurate in a few minutes, the underlying skill is fluent enough to carry the new material.

Diagnosing gaps with mixed review

If the bracket level is shaky, the cause is often the step before it. Drop from One side has a bracket to Numbers on both sides too, and if errors persist to x on both sides, to find exactly where the reasoning breaks down — collecting the x-terms, moving the constants, or the final divide. If even the first level is hard, switch to the Grade 6 or 7 one- and two-step equation sheets to rebuild that solving first.

Fix the layer that is actually broken before climbing back up. Ten clean problems at the right level rebuild confidence faster than another frustrating page, and the answer key lets students confirm each step as they go.

Keeping practice efficient

At this level, short and frequent beats long and occasional. A five-minute set of eight to twelve problems, a few times a week, holds fluency better than a marathon sheet once a fortnight.

Press Shuffle for fresh numbers each session so nothing is memorised by position, and reach for the answer key page to keep marking off your plate — students who check their own work spot their own patterns and start correcting themselves.

Frequently asked questions

▸What pre-algebra should a Grade 8 student know?

By Grade 8, evaluating expressions and solving one- and two-step equations should be fluent, since the year moves on to linear equations, functions, and graphing. The Variables on Both Sides sheet moves past that foundation, across its own three levels.

▸How can I build equation-solving speed?

Practise little and often. Generate a fixed sheet, time it, and repeat every couple of weeks to watch the pace improve on the same problems. Keep sets short — eight to twelve — so students work carefully rather than racing into errors.

▸My eighth grader still makes basic mistakes — what should I do?

Step down a level to find where the error starts. Drop from the bracket level to numbers on both sides, then to x on both sides; if the basics are shaky, switch to the Grade 6 or 7 one- and two-step equation sheets, then work back up. Fixing the real gap is faster than repeating the level where the mistakes show up.

▸Does this cover equations with variables on both sides?

Yes — it is the Grade 8 headline skill and has a sheet to itself. Its three levels run from ax = bx + c, to ax + b = cx + d, up to bracketed equations like a(x + b) = cx + d. Choose the Grade 6 or 7 pages for earlier one- and two-step work.

▸Do I need an account to use this?

No. There are no accounts and nothing is stored — the worksheet is built entirely in your browser, and the link itself is the save file, reproducing the same sheet whenever you open it.

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