-2*m=-1

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Solution for -2*m=-1 equation:



-2m=-1
We move all terms to the left:
-2m-(-1)=0
We add all the numbers together, and all the variables
-2m+1=0
We move all terms containing m to the left, all other terms to the right
-2m=-1
m=-1/-2
m=1/2

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