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10 August, 18:33

Solve for the variable: 12.9 = x + 7.1 5.8 - 5.8 20 - 20

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  1. 10 August, 18:58
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    12.9 = x + 7.1

    subtract 7.1 from both sides to isolate the variable, x.

    5.8 = x

    5.8 is your answer.
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