4b-7=45

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Solution for 4b-7=45 equation: 



4b-7=45

We move all terms to the left:

4b-7-(45)=0

We add all the numbers together, and all the variables

4b-52=0

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

4b=52

b=52/4

b=13

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