-89=2(5b-7)+5

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Solution for -89=2(5b-7)+5 equation:



-89=2(5b-7)+5
We move all terms to the left:
-89-(2(5b-7)+5)=0
We calculate terms in parentheses: -(2(5b-7)+5), so:
2(5b-7)+5
We multiply parentheses
10b-14+5
We add all the numbers together, and all the variables
10b-9
Back to the equation:
-(10b-9)
We get rid of parentheses
-10b+9-89=0
We add all the numbers together, and all the variables
-10b-80=0
We move all terms containing b to the left, all other terms to the right
-10b=80
b=80/-10
b=-8

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