x-20=-3(x-4)

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


x-20=-3(x-4)

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

Reorder the terms in parentheses
x-20=+(-3x+12)

Remove unnecessary parentheses
+x-20=-3x+12

We move all terms containing x to the left and all other terms to the right. 
+1x+3x=+12+20

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

We divide both sides of the equation by 4 to get x. 
x=8

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