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-0.5m-7=12
We simplify the equation to the form, which is simple to understand
-0.5m-7=12
We move all terms containing m to the left and all other terms to the right.
-0.5m=+12+7
We simplify left and right side of the equation.
-0.5m=+19
We divide both sides of the equation by -0.5 to get m.
m=-38
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