-3(-1+7x)=-249

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Solution for -3(-1+7x)=-249 equation:


-3(-1+7x)=-249

We simplify the equation to the form, which is simple to understand 
-3(-1+7x)=-249

Reorder the terms in parentheses
+(+3-21x)=-249

Remove unnecessary parentheses
+3-21x=-249

We move all terms containing x to the left and all other terms to the right. 
-21x=-249-3

We simplify left and right side of the equation. 
-21x=-252

We divide both sides of the equation by -21 to get x. 
x=12

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