5(m-1)=2(n+3),迹雹2(m+1)=3(n-3)即配州晌5m-5=2n+6,2m+2=3n-9所以5m-2n=11 (1)2m-3n=-11 (2)(1)×3-(2)×215m-4m=33+2211m=55m=5n=(5m-11)/培锋2=7