45b-9=126

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Solution for 45b-9=126 equation: 



45b-9=126

We move all terms to the left:

45b-9-(126)=0

We add all the numbers together, and all the variables

45b-135=0

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

45b=135

b=135/45

b=3

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