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-x+5 = 23 // - 23
3*x-x-23+5 = 0
2*x-18 = 0 // + 18
2*x = 18 // : 2
x = 18/2
x = 9
x = 9
| 9+4a+7a=75 | | -66=6t+6t-6 | | 2d+10+3d=55 | | 3b+3-2b=-9 | | 24=w+4w-1 | | 6/7=3w | | X^4+9y^4=10 | | 5q=-100 | | 120=7x+4x-1 | | 7+7t+2t=-101 | | 6d+4+3d=103 | | -1-4t+6t=-19 | | 8-5w+7w=10 | | 49x-98= | | 3a+8+a=32 | | -87=-7t-3t+3 | | w+3/4=-1/5 | | -24=7d+2d+3 | | 12=k+2k-9 | | 10-3m+m=24 | | -18=4d+4d-10 | | -29=-4w+w+4 | | 6b+6+4b=46 | | 14m-(5+8m)= | | -n+3+3n=-19 | | 7/8=x+3 | | -372=31k | | k+6+2k=12 | | -9=-x+3x-5 | | -2+t+t=-2 | | -10+7d-3d=-6 | | 7m+6+5m=42 |