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26 March, 10:44

Solve this equation: 7x-1=3y+8

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  1. 26 March, 11:05
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    You can start by subtracting 8 from both sides.

    so 7x-1=3y+8

    -8 - 8

    -1x-1=3y

    8 is not multiplied by x, so you cannot subtract it from 7x. It would instead be 7x-1-8=7x-9.

    7x-9=3y

    You have to divide all of it:

    (7x-9) / 3

    so y=7/3x-3
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