147=(x+21)

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Solution for 147=(x+21) equation: 



147=(x+21)

We move all terms to the left:

147-((x+21))=0



We calculate terms in parentheses: -((x+21)), so:

(x+21)

We get rid of parentheses

x+21

Back to the equation:

-(x+21)



We get rid of parentheses

-x-21+147=0

We add all the numbers together, and all the variables

-1x+126=0

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

-x=-126

x=-126/-1

x=+126

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