2b-4(2b+6)-3=45

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Solution for 2b-4(2b+6)-3=45 equation: 



2b-4(2b+6)-3=45

We move all terms to the left:

2b-4(2b+6)-3-(45)=0

We add all the numbers together, and all the variables

2b-4(2b+6)-48=0

We multiply parentheses

2b-8b-24-48=0

We add all the numbers together, and all the variables

-6b-72=0

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

-6b=72

b=72/-6

b=-12

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