-2(7+8b)=98

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Solution for -2(7+8b)=98 equation: 



-2(7+8b)=98

We move all terms to the left:

-2(7+8b)-(98)=0

We add all the numbers together, and all the variables

-2(8b+7)-98=0

We multiply parentheses

-16b-14-98=0

We add all the numbers together, and all the variables

-16b-112=0

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

-16b=112

b=112/-16

b=-7

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