x+2y=m+2 (1)
4x+5y=6m+3 (2)
(1)*4-(2)
8y-5y=4m+8-6m-3
3y=-2m+5
y=(-2m+5)/3>0
-2m+5>0
m0
3m+6+4m-10>0
m>4/7
4/7