2(2.5b+9)+6b=-7

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Solution for 2(2.5b+9)+6b=-7 equation: 



2(2.5b+9)+6b=-7

We move all terms to the left:

2(2.5b+9)+6b-(-7)=0

We add all the numbers together, and all the variables

6b+2(2.5b+9)+7=0

We multiply parentheses

6b+4b+18+7=0

We add all the numbers together, and all the variables

10b+25=0

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

10b=-25

b=-25/10

b=-2+1/2

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