12.45-3.2b=-18.15-5.2b

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Solution for 12.45-3.2b=-18.15-5.2b equation: 



12.45-3.2b=-18.15-5.2b

We move all terms to the left:

12.45-3.2b-(-18.15-5.2b)=0

We add all the numbers together, and all the variables

-3.2b-(-5.2b-18.15)+12.45=0

We get rid of parentheses

-3.2b+5.2b+18.15+12.45=0

We add all the numbers together, and all the variables

2b+30.6=0

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

2b=-30.6

b=-30.6/2

b=-15+0.6/2

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