-112=8(7+b)

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Solution for -112=8(7+b) equation:



-112=8(7+b)
We move all terms to the left:
-112-(8(7+b))=0
We add all the numbers together, and all the variables
-(8(b+7))-112=0
We calculate terms in parentheses: -(8(b+7)), so:
8(b+7)
We multiply parentheses
8b+56
Back to the equation:
-(8b+56)
We get rid of parentheses
-8b-56-112=0
We add all the numbers together, and all the variables
-8b-168=0
We move all terms containing b to the left, all other terms to the right
-8b=168
b=168/-8
b=-21

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