(2+7)(12-x)=45

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Solution for (2+7)(12-x)=45 equation:


(2+7)(12-x)=45

We simplify the equation to the form, which is simple to understand 
(2+7)*(12-x)=45

Reorder the terms in parentheses
multiplication of parentheses
(+108-9x)=45



Remove unnecessary parentheses
+108-9x=45

We move all terms containing x to the left and all other terms to the right. 
-9x=+45-108

We simplify left and right side of the equation. 
-9x=-63

We divide both sides of the equation by -9 to get x. 
x=7

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