2+78=-7b-9b

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Solution for 2+78=-7b-9b equation: 



2+78=-7b-9b

We move all terms to the left:

2+78-(-7b-9b)=0

We add all the numbers together, and all the variables

-(-16b)+2+78=0

We add all the numbers together, and all the variables

-(-16b)+80=0

We get rid of parentheses

16b+80=0

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

16b=-80

b=-80/16

b=-5

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