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Expressions and equations · Grades 9–10

Solve a multi-step equation

Free worked example · No account needed

Example question

3(x + 2) - 5 = 16

Work through it

  1. 1

    3x + 6 - 5 = 16

    Distribute 3 to both terms inside the parentheses.

  2. 2

    3x + 1 = 16

    Combine the constants 6 and -5 because they are like terms.

  3. 3

    3x = 15, then x = 5

    Subtract 1 from both sides, then divide both sides by 3 to isolate x.

Final answer

x = 5