-378=-7(-8m-2)

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Solution for -378=-7(-8m-2) equation:


-378=-7(-8m-2)

We simplify the equation to the form, which is simple to understand 
-378=-7(-8m-2)

Reorder the terms in parentheses
-378=+(+56m+14)

Remove unnecessary parentheses
-378=+56m+14

We move all terms containing m to the left and all other terms to the right. 
-56m=+14+378

We simplify left and right side of the equation. 
-56m=+392

We divide both sides of the equation by -056 to get m. 
m=-7

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