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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1x-(5x+6)-(3x-21)=0

We get rid of parentheses

-1x-5x-3x-6+21=0

We add all the numbers together, and all the variables

-9x+15=0

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

-9x=-15

x=-15/-9

x=1+2/3

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