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Ireland: choose your country
Third Year maths · A.1 · Linear Equations

Solve two-step equations

Undo the adding or subtracting first, then the multiplying.

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See worked examples
  1. Solve for x: −4x + 14 = −14

    Answer: 7

  2. Solve for x: 4x − 10 = 30

    Answer: 10

  3. Solve for x: 8x + 19 = 99

    Answer: 10

Tip: Undo the adding or subtracting first, then the multiplying.

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Curriculum

Common Core: HSA-REI.B.3

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