3(c-7)=-9

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Solution for 3(c-7)=-9 equation:


3(c-7)=-9

We simplify the equation to the form, which is simple to understand 
3(c-7)=-9

Reorder the terms in parentheses
+(+3c-21)=-9

Remove unnecessary parentheses
+3c-21=-9

We move all terms containing c to the left and all other terms to the right. 
+3c=-9+21

We simplify left and right side of the equation. 
+3c=+12

We divide both sides of the equation by 3 to get c. 
c=4

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