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.8(m-1)-.2m=1
We simplify the equation to the form, which is simple to understand
.8(m-1)-.2m=1
Reorder the terms in parentheses
+( + 0.8m-0.8)-.2m=1
Remove unnecessary parentheses
+ 0.8m-0.8-.2m=+1
We move all terms containing m to the left and all other terms to the right.
+ 0.8m-0.2m=+1 + 0.8
We simplify left and right side of the equation.
+ 0.6m=+1.8
We divide both sides of the equation by 0.6 to get m.
m=3
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