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30 March, 12:10

What is the answer for 6r+7=13+7r

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  1. 30 March, 12:30
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    The solution to the equation is r=-6.

    Start off by subtracting 6r from both sides to get the variable r on one side of the equation.

    6r-6r+7=13+7r-6r

    7=13+r

    Now subtract 13 from both sides of the equation to isolate r.

    7-13=13-13+r

    -6=r
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