-21-4x=3x+8

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Solution for -21-4x=3x+8 equation: 



-21-4x=3x+8

We move all terms to the left:

-21-4x-(3x+8)=0

We get rid of parentheses

-4x-3x-8-21=0

We add all the numbers together, and all the variables

-7x-29=0

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

-7x=29

x=29/-7

x=-4+1/7

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