Math

How do you do questions like this:

-9y-12=93

I need to know the steps as well.

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  1. You want to do things that get y all by itself on the left, so first add 12 to both sides.
    -9 y -12 + 12 = 93 + 12
    or
    - 9 y = 105
    now divide by -9 to get y alone
    - 9 y / - 9 = 105 / - 9
    or
    y = -105/9

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