7x+4=-87

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Solution for 7x+4=-87 equation: 



7x+4=-87

We move all terms to the left:

7x+4-(-87)=0

We add all the numbers together, and all the variables

7x+91=0

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

7x=-91

x=-91/7

x=-13

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