8(-9+b)=64

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Solution for 8(-9+b)=64 equation: 



8(-9+b)=64

We move all terms to the left:

8(-9+b)-(64)=0

We add all the numbers together, and all the variables

8(b-9)-64=0

We multiply parentheses

8b-72-64=0

We add all the numbers together, and all the variables

8b-136=0

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

8b=136

b=136/8

b=17

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