158=2x+4+(-6-21)

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Solution for 158=2x+4+(-6-21) equation: 



158=2x+4+(-6-21)

We move all terms to the left:

158-(2x+4+(-6-21))=0

We add all the numbers together, and all the variables

-(2x+4+(-27))+158=0



We calculate terms in parentheses: -(2x+4+(-27)), so:

2x+4+(-27)

We add all the numbers together, and all the variables

2x-23

Back to the equation:

-(2x-23)



We get rid of parentheses

-2x+23+158=0

We add all the numbers together, and all the variables

-2x+181=0

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

-2x=-181

x=-181/-2

x=90+1/2

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