7+5(-b+8)=87

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Solution for 7+5(-b+8)=87 equation:



7+5(-b+8)=87
We move all terms to the left:
7+5(-b+8)-(87)=0
We add all the numbers together, and all the variables
5(-1b+8)+7-87=0
We add all the numbers together, and all the variables
5(-1b+8)-80=0
We multiply parentheses
-5b+40-80=0
We add all the numbers together, and all the variables
-5b-40=0
We move all terms containing b to the left, all other terms to the right
-5b=40
b=40/-5
b=-8

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