7b-40=2b-5

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Solution for 7b-40=2b-5 equation: 



7b-40=2b-5

We move all terms to the left:

7b-40-(2b-5)=0

We get rid of parentheses

7b-2b+5-40=0

We add all the numbers together, and all the variables

5b-35=0

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

5b=35

b=35/5

b=7

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