3(-2b+4)=-5(2b+4)

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Solution for 3(-2b+4)=-5(2b+4) equation: 



3(-2b+4)=-5(2b+4)

We move all terms to the left:

3(-2b+4)-(-5(2b+4))=0

We multiply parentheses

-6b-(-5(2b+4))+12=0



We calculate terms in parentheses: -(-5(2b+4)), so:

-5(2b+4)

We multiply parentheses

-10b-20

Back to the equation:

-(-10b-20)



We get rid of parentheses

-6b+10b+20+12=0

We add all the numbers together, and all the variables

4b+32=0

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

4b=-32

b=-32/4

b=-8

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