①x/2-1/3-x=4
-x/2=13/3
x=-26/3
②(x+1)/6+(2x-1)/3=x/(1-2)
11x=1
x=1/11
③2x-1-(1-2x)/3=x/5
30x-15-5+10x=3x
37x=20
x=20/37
④2/0.7-0.1x+0.005/0.02-0.01x
①x/2-1/3-x=4
-x/2=13/3
x=-26/3
②(x+1)/6+(2x-1)/3=x/(1-2)
11x=1
x=1/11
③2x-1-(1-2x)/3=x/5
30x-15-5+10x=3x
37x=20
x=20/37
④2/0.7-0.1x+0.005/0.02-0.01x