7b-8=5b

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Solution for 7b-8=5b equation: 



7b-8=5b

We move all terms to the left:

7b-8-(5b)=0

We add all the numbers together, and all the variables

2b-8=0

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

2b=8

b=8/2

b=4

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