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30=b-(-32)
We move all terms to the left:
30-(b-(-32))=0
We calculate terms in parentheses: -(b-(-32)), so:We get rid of parentheses
b-(-32)
We add all the numbers together, and all the variables
b+32
Back to the equation:
-(b+32)
-b-32+30=0
We add all the numbers together, and all the variables
-1b-2=0
We move all terms containing b to the left, all other terms to the right
-b=2
b=2/-1
b=-2
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