-72-3b=63

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Solution for -72-3b=63 equation: 



-72-3b=63

We move all terms to the left:

-72-3b-(63)=0

We add all the numbers together, and all the variables

-3b-135=0

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

-3b=135

b=135/-3

b=-45

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