-3x-4+x=8x+20-7x

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Solution for -3x-4+x=8x+20-7x equation: 



-3x-4+x=8x+20-7x

We move all terms to the left:

-3x-4+x-(8x+20-7x)=0

We add all the numbers together, and all the variables

-3x+x-(x+20)-4=0

We add all the numbers together, and all the variables

-2x-(x+20)-4=0

We get rid of parentheses

-2x-x-20-4=0

We add all the numbers together, and all the variables

-3x-24=0

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

-3x=24

x=24/-3

x=-8

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