12m+13=4(3m-21)

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Solution for 12m+13=4(3m-21) equation:


12m+13=4(3m-21)

We simplify the equation to the form, which is simple to understand 
12m+13=4(3m-21)

Reorder the terms in parentheses
12m+13=+(+12m-84)

Remove unnecessary parentheses
+12m+13=+12m-84

We move all terms containing m to the left and all other terms to the right. 
+12m-12m=-84-13

We simplify left and right side of the equation. 
m=-97

0=-97

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

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