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)
-((2/7)*x)-3 = 2/3-5*x // - 2/3-5*x
-((2/7)*x)-(-5*x)-(2/3)-3 = 0
(-2/7)*x+5*x-2/3-3 = 0
33/7*x-11/3 = 0 // + 11/3
33/7*x = 11/3 // : 33/7
x = 11/3/33/7
x = 7/9
x = 7/9
| -3-2/5x=-61/20 | | -3-2/3d=5/3 | | -3-1/7w=6w-234/35 | | -3-1/7t+5/6t=-549/154 | | -3-1/6w-3/7w=-151/42 | | -3-1/6b=-7/3 | | -3-1/4m+3/5m=-5/4 | | -3-1/2x=1 | | -3-1/2t+7t=36 | | 8+4=6x-4 | | -3+x=-35/9 | | -3+x=-3/4x-31/8 | | -3+x=-2/3x-139/33 | | -3+x=-8 | | -3+t=-4 | | -3+n=5n-3 | | -3+n=2 | | -3+m=-27/10 | | -3+m=-25/12 | | -3+m=-7 | | -3+m=-6m+18 | | -3+k=-27/10 | | -3+k-4k=-9 | | -3+d=-24/11 | | -3+d=-11/4 | | -3+b=-7 | | -3+b=-11 | | -3+a=-8/3 | | -3+a=-11/3 | | -3+a=-4 | | -3+7t=-1 | | -3+7t+4t=-23/4 |