-81=-2x-6x-1

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Solution for -81=-2x-6x-1 equation: 



-81=-2x-6x-1

We move all terms to the left:

-81-(-2x-6x-1)=0

We add all the numbers together, and all the variables

-(-8x-1)-81=0

We get rid of parentheses

8x+1-81=0

We add all the numbers together, and all the variables

8x-80=0

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

8x=80

x=80/8

x=10

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