7b-18=45

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Solution for 7b-18=45 equation: 



7b-18=45

We move all terms to the left:

7b-18-(45)=0

We add all the numbers together, and all the variables

7b-63=0

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

7b=63

b=63/7

b=9

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