3(2-x)=-21

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Solution for 3(2-x)=-21 equation:


3(2-x)=-21

We simplify the equation to the form, which is simple to understand 
3(2-x)=-21

Reorder the terms in parentheses
+(+6-3x)=-21

Remove unnecessary parentheses
+6-3x=-21

We move all terms containing x to the left and all other terms to the right. 
-3x=-21-6

We simplify left and right side of the equation. 
-3x=-27

We divide both sides of the equation by -3 to get x. 
x=9

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