7(-7-x)=-91

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



7(-7-x)=-91

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-7x-49+91=0

We add all the numbers together, and all the variables

-7x+42=0

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

-7x=-42

x=-42/-7

x=+6

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