7+8(2-8b)=215

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Solution for 7+8(2-8b)=215 equation: 



7+8(2-8b)=215

We move all terms to the left:

7+8(2-8b)-(215)=0

We add all the numbers together, and all the variables

8(-8b+2)+7-215=0

We add all the numbers together, and all the variables

8(-8b+2)-208=0

We multiply parentheses

-64b+16-208=0

We add all the numbers together, and all the variables

-64b-192=0

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

-64b=192

b=192/-64

b=-3

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