-140=-4(7-7m)

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Solution for -140=-4(7-7m) equation:


-140=-4(7-7m)

We simplify the equation to the form, which is simple to understand 
-140=-4(7-7m)

Reorder the terms in parentheses
-140=+(-28+28m)

Remove unnecessary parentheses
-140=-28+28m

We move all terms containing m to the left and all other terms to the right. 
-28m=-28+140

We simplify left and right side of the equation. 
-28m=+112

We divide both sides of the equation by -028 to get m. 
m=-4

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