-2b-5-7=-2b+5b-7

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Solution for -2b-5-7=-2b+5b-7 equation: 



-2b-5-7=-2b+5b-7

We move all terms to the left:

-2b-5-7-(-2b+5b-7)=0

We add all the numbers together, and all the variables

-2b-(3b-7)-5-7=0

We add all the numbers together, and all the variables

-2b-(3b-7)-12=0

We get rid of parentheses

-2b-3b+7-12=0

We add all the numbers together, and all the variables

-5b-5=0

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

-5b=5

b=5/-5

b=-1

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