2x-1=-7x-91

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Solution for 2x-1=-7x-91 equation: 



2x-1=-7x-91

We move all terms to the left:

2x-1-(-7x-91)=0

We get rid of parentheses

2x+7x+91-1=0

We add all the numbers together, and all the variables

9x+90=0

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

9x=-90

x=-90/9

x=-10

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