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1 March, 23:15

Solve for x. 3x-r=r (-3+x)

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  1. 1 March, 23:21
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    3x-r=r (-3+x)

    3x-r=-3r+xr

    3x-r+r=-3r+xr+r

    3x=-2r+xr

    3x-xr=-2r+xr-xr

    3x-xr=-2r

    x (3-r) = - 2r

    x (3-r) / (3-r) = - 2r / (3-r)

    x=-2r / (3-r)
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