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16 March, 21:34

Multi step distribution

-13/2 - 7r = - 5r/4 - 1/4 (-9r-2)

solve for r

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  1. 16 March, 21:58
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    -13/2 - 7r = - 5r/4 + 9/4r + 1/2

    -7r + 5/4r - 9/4r = 13/2 + 1/2

    -7+5/4-9/4 = - 8

    13/2 + 1/2 = 7

    -8r = 7

    r=-7/8
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