5n-7(n+3)+2n=-25

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Solution for 5n-7(n+3)+2n=-25 equation:


5n-7(n+3)+2n=-25

We simplify the equation to the form, which is simple to understand 
5n-7(n+3)+2n=-25

Reorder the terms in parentheses
5n+(-7n-21)+2n=-25

Remove unnecessary parentheses
+5n-7n-21+2n=-25

We move all terms containing n to the left and all other terms to the right. 
+5n-7n+2n=-25+21

We simplify left and right side of the equation. 
n=-4

0=-4

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

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