-2(4+5b)=-8(b-3)

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Solution for -2(4+5b)=-8(b-3) equation: 



-2(4+5b)=-8(b-3)

We move all terms to the left:

-2(4+5b)-(-8(b-3))=0

We add all the numbers together, and all the variables

-2(5b+4)-(-8(b-3))=0

We multiply parentheses

-10b-(-8(b-3))-8=0



We calculate terms in parentheses: -(-8(b-3)), so:

-8(b-3)

We multiply parentheses

-8b+24

Back to the equation:

-(-8b+24)



We get rid of parentheses

-10b+8b-24-8=0

We add all the numbers together, and all the variables

-2b-32=0

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

-2b=32

b=32/-2

b=-16

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