-91=4x+3x-7

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Solution for -91=4x+3x-7 equation: 



-91=4x+3x-7

We move all terms to the left:

-91-(4x+3x-7)=0

We add all the numbers together, and all the variables

-(7x-7)-91=0

We get rid of parentheses

-7x+7-91=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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