将Y=3代入方程6+1/4（M-Y）=2Y,得
6+1/4(M-3)=6
同时乘以4,得
24+M-3=24
M-3=0
M=3
再将M=3代入方程2M(X-1)=(M+1)(3X-4)中,得
6(X-1)=4(3X-4)
6X-6=12X-16
-6X=-10
X=5/3