3x-(5x-21)=6x+(4x)

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Solution for 3x-(5x-21)=6x+(4x) equation: 



3x-(5x-21)=6x+(4x)

We move all terms to the left:

3x-(5x-21)-(6x+(4x))=0

We add all the numbers together, and all the variables

3x-(5x-21)-(+10x)=0

We get rid of parentheses

3x-5x-10x+21=0

We add all the numbers together, and all the variables

-12x+21=0

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

-12x=-21

x=-21/-12

x=1+3/4

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