138=-4(-5x-7)+2x

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Solution for 138=-4(-5x-7)+2x equation: 



138=-4(-5x-7)+2x

We move all terms to the left:

138-(-4(-5x-7)+2x)=0



We calculate terms in parentheses: -(-4(-5x-7)+2x), so:

-4(-5x-7)+2x

We add all the numbers together, and all the variables

2x-4(-5x-7)

We multiply parentheses

2x+20x+28

We add all the numbers together, and all the variables

22x+28

Back to the equation:

-(22x+28)



We get rid of parentheses

-22x-28+138=0

We add all the numbers together, and all the variables

-22x+110=0

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

-22x=-110

x=-110/-22

x=+5

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