-3+7x=-87

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Solution for -3+7x=-87 equation: 



-3+7x=-87

We move all terms to the left:

-3+7x-(-87)=0

We add all the numbers together, and all the variables

7x+84=0

We move all terms containing x to the left, all other terms to the right

7x=-84

x=-84/7

x=-12

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