45=-2(6b-1)-(-9b-10)

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Solution for 45=-2(6b-1)-(-9b-10) equation: 



45=-2(6b-1)-(-9b-10)

We move all terms to the left:

45-(-2(6b-1)-(-9b-10))=0



We calculate terms in parentheses: -(-2(6b-1)-(-9b-10)), so:

-2(6b-1)-(-9b-10)

We multiply parentheses

-12b-(-9b-10)+2

We get rid of parentheses

-12b+9b+10+2

We add all the numbers together, and all the variables

-3b+12

Back to the equation:

-(-3b+12)



We get rid of parentheses

3b-12+45=0

We add all the numbers together, and all the variables

3b+33=0

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

3b=-33

b=-33/3

b=-11

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