9b=b+40

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Solution for 9b=b+40 equation:



9b=b+40
We move all terms to the left:
9b-(b+40)=0
We get rid of parentheses
9b-b-40=0
We add all the numbers together, and all the variables
8b-40=0
We move all terms containing b to the left, all other terms to the right
8b=40
b=40/8
b=5

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