4m+3n=33(1)
3m-4n=6(2)
(1)×4+(2)×3得:
16m+9m=33×4+6×3;
25m=150;
m=6;
带入(1)得:
4×6+3n=33;
3n=9;
n=3;
如果本题有什么不明白可以追问,