-21-3x=5x+4

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Solution for -21-3x=5x+4 equation: 



-21-3x=5x+4

We move all terms to the left:

-21-3x-(5x+4)=0

We get rid of parentheses

-3x-5x-4-21=0

We add all the numbers together, and all the variables

-8x-25=0

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

-8x=25

x=25/-8

x=-3+1/8

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