4b+7=8b-1

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Solution for 4b+7=8b-1 equation: 



4b+7=8b-1

We move all terms to the left:

4b+7-(8b-1)=0

We get rid of parentheses

4b-8b+1+7=0

We add all the numbers together, and all the variables

-4b+8=0

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

-4b=-8

b=-8/-4

b=+2

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