20=2(-4x-7)

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Solution for 20=2(-4x-7) equation: 



20=2(-4x-7)

We move all terms to the left:

20-(2(-4x-7))=0



We calculate terms in parentheses: -(2(-4x-7)), so:

2(-4x-7)

We multiply parentheses

-8x-14

Back to the equation:

-(-8x-14)



We get rid of parentheses

8x+14+20=0

We add all the numbers together, and all the variables

8x+34=0

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

8x=-34

x=-34/8

x=-4+1/4

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