20=-2(3x-4)

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Solution for 20=-2(3x-4) equation: 



20=-2(3x-4)

We move all terms to the left:

20-(-2(3x-4))=0



We calculate terms in parentheses: -(-2(3x-4)), so:

-2(3x-4)

We multiply parentheses

-6x+8

Back to the equation:

-(-6x+8)



We get rid of parentheses

6x-8+20=0

We add all the numbers together, and all the variables

6x+12=0

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

6x=-12

x=-12/6

x=-2

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