9b+2(-10b-2)=-10-9b-10

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Solution for 9b+2(-10b-2)=-10-9b-10 equation: 



9b+2(-10b-2)=-10-9b-10

We move all terms to the left:

9b+2(-10b-2)-(-10-9b-10)=0

We add all the numbers together, and all the variables

9b+2(-10b-2)-(-9b-20)=0

We multiply parentheses

9b-20b-(-9b-20)-4=0

We get rid of parentheses

9b-20b+9b+20-4=0

We add all the numbers together, and all the variables

-2b+16=0

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

-2b=-16

b=-16/-2

b=+8

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