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)
6*x-(3*x)+4/5 = 23/10 // - 23/10
6*x-(3*x)+4/5-(23/10) = 0
6*x-3*x+4/5-23/10 = 0
3*x-3/2 = 0 // + 3/2
3*x = 3/2 // : 3
x = 3/2/3
x = 1/2
x = 1/2
| 6d+1+3/4d=-293/4 | | -7m-1/3+1/3m=-241/3 | | 2/3d+3/10-2/3d=3/10 | | -4/5+a-2a=-7/5 | | n+7+2/3n=16/3 | | 1/2m-7+1/6m=-20/3 | | m+9/10-1/7m=99/70 | | -39/7=-t-2t+3/7 | | -22/15=-2x+2/5x-2/3 | | 149/35=-6a-5/7a+9/10 | | 1/2n+1-n=0 | | 100=4a+5a+10 | | 10/3=5a+3a+2/3 | | 8/9+5/7a+1/2a=1075/693 | | -7+4a-1/5a=-187/5 | | -5/7t+1/3-7t=-161/3 | | 10+2d+1/2d=65/2 | | 6m-1/10+4/7m=54/35 | | -85/7=w+4/7w+3/7 | | w+2+1/2w=11/4 | | 1/4+6/7d-7d=121/140 | | 3/5+7m+1/2m=87/20 | | 415/28=6w+3/7w+10 | | 2k+4+4k=4 | | 2/5+2/3m+2m=-118/5 | | -8/7=-1/7x-2x+1 | | -67/22=5/6b+5b+2/3 | | 4n-3/7-n=-78/35 | | d-9+1/5d=-27/5 | | 7/9-4a+4/5a=1619/45 | | -5/2=5w+2/3w+1/3 | | 1/3-2/5w-6w=1/3 |