4.5-2b=9

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Solution for 4.5-2b=9 equation: 



4.5-2b=9

We move all terms to the left:

4.5-2b-(9)=0

We add all the numbers together, and all the variables

-2b-4.5=0

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

-2b=4.5

b=4.5/-2

b=-2+0.5/2

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