45=-1.2b-3.6b

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Solution for 45=-1.2b-3.6b equation: 



45=-1.2b-3.6b

We move all terms to the left:

45-(-1.2b-3.6b)=0

We add all the numbers together, and all the variables

-(-4.8b)+45=0

We get rid of parentheses

4.8b+45=0

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

4.8b=-45

b=-45/4.8

b=-9+1/2.66666666667

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