13-7n=-7(n-3)

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Solution for 13-7n=-7(n-3) equation:


13-7n=-7(n-3)

We simplify the equation to the form, which is simple to understand 
13-7n=-7(n-3)

Reorder the terms in parentheses
13-7n=+(-7n+21)

Remove unnecessary parentheses
+13-7n=-7n+21

We move all terms containing n to the left and all other terms to the right. 
-7n+7n=+21-13

We simplify left and right side of the equation. 
n=+8

0=8

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

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