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m+(m+2)=647
We simplify the equation to the form, which is simple to understand
m+(m+2)=647
Remove unnecessary parentheses
+m+m+2=+647
We move all terms containing m to the left and all other terms to the right.
+1m+1m=+647-2
We simplify left and right side of the equation.
+2m=+645
We divide both sides of the equation by 2 to get m.
m=322.5
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