-9(2b+4)=90

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Solution for -9(2b+4)=90 equation: 



-9(2b+4)=90

We move all terms to the left:

-9(2b+4)-(90)=0

We multiply parentheses

-18b-36-90=0

We add all the numbers together, and all the variables

-18b-126=0

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

-18b=126

b=126/-18

b=-7

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