7(-1-7x)=91

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Solution for 7(-1-7x)=91 equation: 



7(-1-7x)=91

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-49x-7-91=0

We add all the numbers together, and all the variables

-49x-98=0

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

-49x=98

x=98/-49

x=-2

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