20=-4(-x+3)

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


20=-4(-x+3)

We simplify the equation to the form, which is simple to understand 
20=-4(-x+3)

Reorder the terms in parentheses
20=+(+4x-12)

Remove unnecessary parentheses
+20=+4x-12

We move all terms containing x to the left and all other terms to the right. 
-4x=-12-20

We simplify left and right side of the equation. 
-4x=-32

We divide both sides of the equation by -04 to get x. 
x=8

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