1/2mx-5/3等于1/2(x-4/3)3mx-10=3(x-4/3)3mx-10=3x-43mx+3x=-4+10x(3m+3)=6x=2/(m+1)∵x的解是正整数∴2/(m+1)>0∴m=0,和 1
1/2mx-5/3=1/2(x-4/3)1/2mx-5/3=1/2X-2/31/2x(M-1)=1 (M-1)X=2解为正整数M=2