3X-根号2=2X+1(精确到0.01)
3x-2x=1+√2
x=1+1.414
x=2.41
11-X=10X
11=10x+x
11x=11
x=1
4X-3=2X-9
4x-2x=-9+3
2x=-6
x=-3
5+四分之1X=2分之1X-4
1/4x-1/2x=-4-5
-1/4x=-9
x=36
0.8X=0.7X-1
0.8x-0.7x=-1
0.1x=-1
x=-10