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)
7*x-4 = 26-3*x // - 26-3*x
7*x-(-3*x)-26-4 = 0
7*x+3*x-26-4 = 0
10*x-30 = 0 // + 30
10*x = 30 // : 10
x = 30/10
x = 3
x = 3
| -4+7w+1/6w=26/15 | | -4+7b=4/7b+422/7 | | -4+6x+3x=77 | | -4+6w=38 | | -4+6n+5/7n=536/7 | | -4+5x+x=-70 | | -4+5n=1 | | -4+5a=-19 | | -4+5/7k=-k-64/7 | | -4+5/6n=13/3 | | -4+5/6d=-11/3 | | -4+4t=-16 | | -4+4m=-8 | | -4+4d=-8/3 | | -4+4a-2a=4 | | -4+3x=-14/5 | | -4+3x=-13/7 | | -4+3t=3/5t-316/55 | | -4+3m=-11/5 | | -4+3d+2/3d=18 | | -4+3b=-8/5 | | -4+3b=-29/5 | | -4+3/7m-2/3m=-107/28 | | -4+3/7k+3k=-44/7 | | -4+3/7a=2/7 | | -4+3/5w+2/3w=-692/135 | | -4+3/4t=1/2 | | -4+3/4k+5k=-1/6 | | -4+2x+6/7x=-48/7 | | -4+2n=-6 | | -4+2n=-20 | | -4+2k=5/6k+2/3 |