4b-5=8b-7

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Solution for 4b-5=8b-7 equation: 



4b-5=8b-7

We move all terms to the left:

4b-5-(8b-7)=0

We get rid of parentheses

4b-8b+7-5=0

We add all the numbers together, and all the variables

-4b+2=0

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

-4b=-2

b=-2/-4

b=1/2

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