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25 June, 10:44

Nine times the sum of a number and 2 is 189. I need to make it to an equation.

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  1. 25 June, 11:01
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    Equation:

    9 (a+2) = 189

    Solve the equation:

    9a+18=189

    9a=189-18

    9a=171

    a=171/9

    a=19

    Check the solution:

    Let a=19

    9 (a+2) = 189

    9 (19+2) = 189

    171+18=189

    189=189

    Therefore, the equation is 9 (a+2) = 189 and a is 19.
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