2b+4=3b-15

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Solution for 2b+4=3b-15 equation: 



2b+4=3b-15

We move all terms to the left:

2b+4-(3b-15)=0

We get rid of parentheses

2b-3b+15+4=0

We add all the numbers together, and all the variables

-1b+19=0

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

-b=-19

b=-19/-1

b=+19

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