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800-m=1000-m
We move all terms to the left:
800-m-(1000-m)=0
We add all the numbers together, and all the variables
-m-(-1m+1000)+800=0
We add all the numbers together, and all the variables
-1m-(-1m+1000)+800=0
We get rid of parentheses
-1m+1m-1000+800=0
We add all the numbers together, and all the variables
-200!=0
There is no solution for this equation
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