15=2.5(22)+b

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Solution for 15=2.5(22)+b equation: 



15=2.5(22)+b

We move all terms to the left:

15-(2.5(22)+b)=0

We add all the numbers together, and all the variables

-(b+2.522)+15=0

We get rid of parentheses

-b-2.522+15=0

We add all the numbers together, and all the variables

-1b+12.478=0

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

-b=-12.478

b=-12.478/-1

b=12+0.478/1

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