X-1/4+1/2=1
X=1+1/4-1/2
X=4/4+1/4-2/4
X=3/4
3X+2/9=11/3
3X=11/3-2/9
3X=33/9-2/9
3X=31/9
X=31/3
2X+2/3=2/3
2X=2/3-2/3
2X=0
X=0
X-1/8-3/8=5/6
X-4/8=5/6
X-1/2=5/6
X=5/6+1/2
X=5/6+3/6
X=8/6=4/3
X+9/10+5/6=2
X+27/30+25/30=2
X+52/30=2
X=2-52/30
X=60/30-52/30
X=8/30=4/15