b-7=5b=30

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Solution for b-7=5b=30 equation: 



b-7=5b=30

We move all terms to the left:

b-7-(5b)=0

We add all the numbers together, and all the variables

-4b-7=0

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

-4b=7

b=7/-4

b=-1+3/4

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