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)
(2/3)*x+(2/3)*x-1/6 = 79/6 // - 79/6
(2/3)*x+(2/3)*x-1/6-(79/6) = 0
(2/3)*x+(2/3)*x-1/6-79/6 = 0
4/3*x-40/3 = 0 // + 40/3
4/3*x = 40/3 // : 4/3
x = 40/3/4/3
x = 10
x = 10
| 3/5x-1/3+5/7x=379/105 | | -4/5x+7/9+x=17/18 | | 9+2x+4/7x=153/7 | | 24/5=-x+3x+4/5 | | -1/2+6x+4x=-43/6 | | 15=2x+4x+9 | | 2x+2/5+2x=142/5 | | 33/4=-6x-5x+1/4 | | -657/77=-x-2/7x-9 | | -3/4x+9+2x=31/4 | | -61/2=-1/2x-7x+7 | | x+3/4+7x=291/4 | | 7x-5+2x=-91/11 | | 31=5x+4/7x-8 | | 4/7x+6+7x=31/14 | | 75/8=3x-2x-5/8 | | 2/3x+8+6/7x=440/63 | | 2/9+2x-7x=-358/9 | | -1/3x-1/5-6x=-191/5 | | 3x+2/5-4x=-4/15 | | 1/2x+2+4/7x=19/14 | | 3+1/2x+2/5x=9/4 | | 6x-4+3/7x=-4 | | -1+3x+x=-11/3 | | 1/3+x+4/7x=337/21 | | -23/72=-4x+3x+1/8 | | 3x-4/9-7x=-220/9 | | 247/88=4x+1/2x-7/8 | | 5/7x+6-1/3x=386/63 | | 3/7x-6/7-3/7x=-6/7 | | 7/8-x-4/5x=7/8 | | 16/9=-6x+5x-2/9 |