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

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Solution for 3x-(-7x-7)=-87 equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x+7x+7+87=0

We add all the numbers together, and all the variables

10x+94=0

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

10x=-94

x=-94/10

x=-9+2/5

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