-3(-7x+7)=105

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Solution for -3(-7x+7)=105 equation:


-3(-7x+7)=105

We simplify the equation to the form, which is simple to understand 
-3(-7x+7)=105

Reorder the terms in parentheses
+(+21x-21)=105

Remove unnecessary parentheses
+21x-21=+105

We move all terms containing x to the left and all other terms to the right. 
+21x=+105+21

We simplify left and right side of the equation. 
+21x=+126

We divide both sides of the equation by 21 to get x. 
x=6

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