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Math problem in the second day of junior high school (Hebei Education Edition) 20 points!
The sum of the two formulas can give 3x = 6+m->; M is greater than or equal to -6.

x+Y = M-& gt； 2X+2Y=2M and 2X-Y=6 are subtracted to get 3y = 2m-6->; M is less than or equal to 3.

Positive integer values of m are 1 2 3 and 6.

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