If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
-28/3 = x+2/3 // - x+2/3
-x-28/3-(2/3) = 0
-x-28/3-2/3 = 0
-x-10 = 0 // + 10
-x = 10 // * -1
x = -10
x = -10
| -37/8=x+3/8 | | x+4/5=19/5 | | x+2=25/11 | | 25x360/180 | | 10-7a=2 | | 7x=77/12 | | x-2/3=-19/12 | | x+8=96/11 | | x+1=10/7 | | x/-4=5 | | 171/(x-4)+3=60 | | x/2=-2/5 | | x+7/8=37/24 | | x+1/10=-2/5 | | -39/4=x+1/4 | | x-1/4=-13/20 | | x/2-2=8 | | x+2=5/4 | | 51/70=x+3/10 | | x/5=-2/5 | | 37/30=x+9/10 | | 1/5=x+1 | | x+2/7=11/14 | | 8x+7=13x-8 | | 7y-14=0 | | x-3/12=7/24 | | x+1=7/5 | | x-3/5=-63/5 | | x+1=7/6 | | x+5/7=47/7 | | x+7/9=62/45 | | x-2/3=6 |