100=-2(6b-8)

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Solution for 100=-2(6b-8) equation: 



100=-2(6b-8)

We move all terms to the left:

100-(-2(6b-8))=0



We calculate terms in parentheses: -(-2(6b-8)), so:

-2(6b-8)

We multiply parentheses

-12b+16

Back to the equation:

-(-12b+16)



We get rid of parentheses

12b-16+100=0

We add all the numbers together, and all the variables

12b+84=0

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

12b=-84

b=-84/12

b=-7

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