7.50x+15(40-x)=397.50

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Solution for 7.50x+15(40-x)=397.50 equation:


7.50x+15(40-x)=397.50

We simplify the equation to the form, which is simple to understand 
7.50x+15(40-x)=397.50

Reorder the terms in parentheses
7.50x+(+600-15x)=397.50

Remove unnecessary parentheses
+7.50x+600-15x=+397.50

We move all terms containing x to the left and all other terms to the right. 
+7.5x-15x=+397.5-600

We simplify left and right side of the equation. 
-7.5x=-202.5

We divide both sides of the equation by -7.5 to get x. 
x=27

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