45-b=4b-75

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Solution for 45-b=4b-75 equation: 



45-b=4b-75

We move all terms to the left:

45-b-(4b-75)=0

We add all the numbers together, and all the variables

-1b-(4b-75)+45=0

We get rid of parentheses

-1b-4b+75+45=0

We add all the numbers together, and all the variables

-5b+120=0

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

-5b=-120

b=-120/-5

b=+24

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