147=b-(-12)

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Solution for 147=b-(-12) equation: 



147=b-(-12)

We move all terms to the left:

147-(b-(-12))=0



We calculate terms in parentheses: -(b-(-12)), so:

b-(-12)

We add all the numbers together, and all the variables

b+12

Back to the equation:

-(b+12)



We get rid of parentheses

-b-12+147=0

We add all the numbers together, and all the variables

-1b+135=0

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

-b=-135

b=-135/-1

b=+135

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