-3(-2x-3)=21

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


-3(-2x-3)=21

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

Reorder the terms in parentheses
+(+6x+9)=21

Remove unnecessary parentheses
+6x+9=+21

We move all terms containing x to the left and all other terms to the right. 
+6x=+21-9

We simplify left and right side of the equation. 
+6x=+12

We divide both sides of the equation by 6 to get x. 
x=2

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