7b+15=90

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Solution for 7b+15=90 equation: 



7b+15=90

We move all terms to the left:

7b+15-(90)=0

We add all the numbers together, and all the variables

7b-75=0

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

7b=75

b=75/7

b=10+5/7

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