b-4=7b-9

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Solution for b-4=7b-9 equation: 



b-4=7b-9

We move all terms to the left:

b-4-(7b-9)=0

We get rid of parentheses

b-7b+9-4=0

We add all the numbers together, and all the variables

-6b+5=0

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

-6b=-5

b=-5/-6

b=5/6

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