3x+7=y-5

Wat do you need to do with that equation?

You need to find out what's x and what's y.

well, I would add 5 to both sides 3 x + 12 = y or if you want x, subtract 7 from both sides first 3 x = y - 12 then divide all terms on both sides by 3 x = (y/3) - 4

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