If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
5*n+1 = n+13 // - n+13
5*n-n-13+1 = 0
4*n-12 = 0 // + 12
4*n = 12 // : 4
n = 12/4
n = 3
n = 3
| 9-3n=-n+53/7 | | -48-2=12-8x | | 2/7m+9=193/7+4m | | 1/3d-7=-7+d | | 9-2m=2/5m+69/5 | | 7m-2=54-m | | -4/7n+3/5=-61/210+2/5n | | 6+7x=-6x+162 | | d-4=12-d | | 2-k=1/5k+86/55 | | -1-5w=w-37 | | 1/2k+3/10=-2k+114/5 | | 1/3m+2/3=7m+14/3 | | 5/7a-1/4=-2/5a-1907/140 | | 9x^2-8x+-1=0 | | 1/5w-2=-6w+13/9 | | 1/2n+1/2=-3n-3/8 | | 5/7n+4/7=-4n+93/28 | | 3n+5/9=-35/99+4n | | -x+7/8=5x-5/8 | | 4m+2/9=-25/252+1/7m | | 3/8=7P | | 9x^2-8+-1=0 | | 7w+5=21/4+6w | | 10-32=5x+3 | | 5b+4=6b+11/3 | | 9-2/3d=6/7d+9 | | -3/7d-3/5=4/5d-339/350 | | 7x+5=27/10-2/3x | | 6/7-5/6n=3n-125/42 | | 9+m=4m+35/4 | | 2m+1=0+4m |