7(-5x-7)=91

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Solution for 7(-5x-7)=91 equation: 



7(-5x-7)=91

We move all terms to the left:

7(-5x-7)-(91)=0

We multiply parentheses

-35x-49-91=0

We add all the numbers together, and all the variables

-35x-140=0

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

-35x=140

x=140/-35

x=-4

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