4x+2m=3x+1
x=1-2m
3x+2m=6x+1
3x=2m-1
3(1-2m)=2m-1
3-6m=2m-1
-6m-2m=-1-3
-8m=-4
m=1/2
(m+2)1999次方·(2m-7/5)2000次方
=5/2^1999*(-2/5)^2000
=5/2^1999*(-2/5)^1999(-2/5)=2/5
4x+2m=3x+1
x=1-2m
3x+2m=6x+1
3x=2m-1
3(1-2m)=2m-1
3-6m=2m-1
-6m-2m=-1-3
-8m=-4
m=1/2
(m+2)1999次方·(2m-7/5)2000次方
=5/2^1999*(-2/5)^2000
=5/2^1999*(-2/5)^1999(-2/5)=2/5