4x+2m=3x+1
x=1-2m
3x+2m=6x+1
x=(2m-1)/3
1-2m=(2m-1)/3
3-6m=2m-1
m=1/2
(m+2)^1999*(2m- 7/5)^2000
=(1/2+2)^1999*(2*1/2-7/5)^2000
=(5/2)1999*(-2/5)^2000
=(5/2)^1999*(2/5)^2000
=(5/2)^1999*(2/5)^1999*2/5
=(2/5*2/5)^1999*2/5
=1^1999*2/5
=2/5
4x+2m=3x+1
x=1-2m
3x+2m=6x+1
x=(2m-1)/3
1-2m=(2m-1)/3
3-6m=2m-1
m=1/2
(m+2)^1999*(2m- 7/5)^2000
=(1/2+2)^1999*(2*1/2-7/5)^2000
=(5/2)1999*(-2/5)^2000
=(5/2)^1999*(2/5)^2000
=(5/2)^1999*(2/5)^1999*2/5
=(2/5*2/5)^1999*2/5
=1^1999*2/5
=2/5