-20+4b=2(2b-10)

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Solution for -20+4b=2(2b-10) equation: 



-20+4b=2(2b-10)

We move all terms to the left:

-20+4b-(2(2b-10))=0



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

2(2b-10)

We multiply parentheses

4b-20

Back to the equation:

-(4b-20)



We get rid of parentheses

4b-4b+20-20=0

We add all the numbers together, and all the variables

=0

b=0/1

b=0

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