9(7-2)+4=31

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Solution for 9(7-2)+4=31 equation:


9(7-2)+4=31

We simplify the equation to the form, which is simple to understand 
9(7-2)+4=31

Simplifying terms in parentheses
9*(+5)+4=31

Reorder the terms in parentheses
+(+45)+4=31

Remove unnecessary parentheses
+45+4=+31

We move all terms containing  to the left and all other terms to the right. 
0=+31-45-4

We simplify left and right side of the equation. 
0=-18

0=-18

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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