-21+4x=-(3x+1)-6

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Solution for -21+4x=-(3x+1)-6 equation: 



-21+4x=-(3x+1)-6

We move all terms to the left:

-21+4x-(-(3x+1)-6)=0



We calculate terms in parentheses: -(-(3x+1)-6), so:

-(3x+1)-6

We get rid of parentheses

-3x-1-6

We add all the numbers together, and all the variables

-3x-7

Back to the equation:

-(-3x-7)



We get rid of parentheses

4x+3x+7-21=0

We add all the numbers together, and all the variables

7x-14=0

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

7x=14

x=14/7

x=2

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