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19 September, 02:22

Solve this equation: 2s + s + 12 = 132.

A. s = - 30

B. s = 120

C. s = 9

D. s = 40

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  1. 19 September, 04:05
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    Solve your equation step-by-step.

    2s+s+12=132

    Simplify both sides of the equation.

    2s+s+12=132

    Simplify:

    3s+12=132

    Subtract 12 from both sides.

    3s+12-12=132-12

    3s=120

    Divide both sides by 3.

    3s/3 = 120/3

    s=40
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