-7b+4b=-15+8b+8-4

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Solution for -7b+4b=-15+8b+8-4 equation: 



-7b+4b=-15+8b+8-4

We move all terms to the left:

-7b+4b-(-15+8b+8-4)=0

We add all the numbers together, and all the variables

-7b+4b-(8b-11)=0

We add all the numbers together, and all the variables

-3b-(8b-11)=0

We get rid of parentheses

-3b-8b+11=0

We add all the numbers together, and all the variables

-11b+11=0

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

-11b=-11

b=-11/-11

b=1

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