-1-8(1+x)=-2x+21

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Solution for -1-8(1+x)=-2x+21 equation: 



-1-8(1+x)=-2x+21

We move all terms to the left:

-1-8(1+x)-(-2x+21)=0

We add all the numbers together, and all the variables

-8(x+1)-(-2x+21)-1=0

We multiply parentheses

-8x-(-2x+21)-8-1=0

We get rid of parentheses

-8x+2x-21-8-1=0

We add all the numbers together, and all the variables

-6x-30=0

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

-6x=30

x=30/-6

x=-5

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