-x-6x=-91

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Solution for -x-6x=-91 equation: 



-x-6x=-91

We move all terms to the left:

-x-6x-(-91)=0

We add all the numbers together, and all the variables

-7x+91=0

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

-7x=-91

x=-91/-7

x=+13

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