-9+2m=-1

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Solution for -9+2m=-1 equation:



-9+2m=-1
We move all terms to the left:
-9+2m-(-1)=0
We add all the numbers together, and all the variables
2m-8=0
We move all terms containing m to the left, all other terms to the right
2m=8
m=8/2
m=4

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