2b-4(2b+5)=0

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Solution for 2b-4(2b+5)=0 equation: 



2b-4(2b+5)=0

We multiply parentheses

2b-8b-20=0

We add all the numbers together, and all the variables

-6b-20=0

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

-6b=20

b=20/-6

b=-3+1/3

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