-120-8x=-x+90

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Solution for -120-8x=-x+90 equation: 



-120-8x=-x+90

We move all terms to the left:

-120-8x-(-x+90)=0

We add all the numbers together, and all the variables

-8x-(-1x+90)-120=0

We get rid of parentheses

-8x+1x-90-120=0

We add all the numbers together, and all the variables

-7x-210=0

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

-7x=210

x=210/-7

x=-30

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