54=-2(22-b)+4(b-4)

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Solution for 54=-2(22-b)+4(b-4) equation: 



54=-2(22-b)+4(b-4)

We move all terms to the left:

54-(-2(22-b)+4(b-4))=0

We add all the numbers together, and all the variables

-(-2(-1b+22)+4(b-4))+54=0



We calculate terms in parentheses: -(-2(-1b+22)+4(b-4)), so:

-2(-1b+22)+4(b-4)

We multiply parentheses

2b+4b-44-16

We add all the numbers together, and all the variables

6b-60

Back to the equation:

-(6b-60)



We get rid of parentheses

-6b+60+54=0

We add all the numbers together, and all the variables

-6b+114=0

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

-6b=-114

b=-114/-6

b=+19

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