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)
3*x+4*x+1 = 36 // - 36
3*x+4*x-36+1 = 0
7*x-35 = 0 // + 35
7*x = 35 // : 7
x = 35/7
x = 5
x = 5
| 4/7x+5+5/6x=223/21 | | -x+1/8+2/3x=-15/8 | | 1/5+7x-5x=-79/5 | | -8+7x+5x=-76/5 | | 7/8+3x+2x=-113/8 | | -1/6-2x+2/5x=377/330 | | -122/55=-2/5x-2/5x-2 | | -3/4+6x-x=17/4 | | -1/2x+4-4/5x=61/12 | | 10-4/5x+6/7x=52/5 | | 1/7x-6+3x=-36/7 | | 1/3x+1/7-3x=395/21 | | 8-x+5x=-32 | | 3/4+3x+3/4x=-177/4 | | x+2-1/4x=-1 | | 2-2x-3x=-38 | | 19=-7x-x+3 | | 3/5x+3+2/7x=229/35 | | 3x-2/9+3x=-29/9 | | -2/5+1/5x+2x=26 | | 7d=3d-15 | | -21/4=-3x+x+3/4 | | 2/3x+1/2+5/6x=37/2 | | 5/6+1/2x+6x=-173/3 | | 173/27=6x-1/3x+2 | | -8+2/7x+x=16/7 | | 5x+5/6+4x=-191/30 | | 1033/126=6/7x+1/3x+8 | | 1+5x+4/7x=319/7 | | 1/5x-6+6x=-91/10 | | 6-2x-2x=5 | | -251/9=x-4x-8/9 |