6b+4b+7=8b-9

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Solution for 6b+4b+7=8b-9 equation: 



6b+4b+7=8b-9

We move all terms to the left:

6b+4b+7-(8b-9)=0

We add all the numbers together, and all the variables

10b-(8b-9)+7=0

We get rid of parentheses

10b-8b+9+7=0

We add all the numbers together, and all the variables

2b+16=0

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

2b=-16

b=-16/2

b=-8

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