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2m-2+m=78
We simplify the equation to the form, which is simple to understand
2m-2+m=78
We move all terms containing m to the left and all other terms to the right.
+2m+1m=+78+2
We simplify left and right side of the equation.
+3m=+80
We divide both sides of the equation by 3 to get m.
m=26.6666666667
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