4x+2m=3x+1和5x+2m=6x-3的解相同
由4x+2m=3x+1可知x=1-2m
5x+2m=6x-3克化简为x=3+2m
所以3+2m=1-2m
解得m=-1/2
所以（2m+2）^2007
=（-1/2×2+2）^2007
=1^2007
=1