8+7b=b-5+7

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Solution for 8+7b=b-5+7 equation: 



8+7b=b-5+7

We move all terms to the left:

8+7b-(b-5+7)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

7b-b-2+8=0

We add all the numbers together, and all the variables

6b+6=0

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

6b=-6

b=-6/6

b=-1

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