-7.2=12.7-2.5b

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Solution for -7.2=12.7-2.5b equation: 



-7.2=12.7-2.5b

We move all terms to the left:

-7.2-(12.7-2.5b)=0

We add all the numbers together, and all the variables

-(-2.5b+12.7)-7.2=0

We get rid of parentheses

2.5b-12.7-7.2=0

We add all the numbers together, and all the variables

2.5b-19.9=0

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

2.5b=19.9

b=19.9/2.5

b=7+1/1.0416666666667

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