If it's not what You are looking for type in the equation solver your own equation and let us solve it.
| 13x-13=9 | | 13x-13=8 | | 13x-13=7 | | 13x-13=6 | | 13x-13=5 | | 13x-13=4 | | 13x-13=3 | | 13x-13=2 | | 13x-13=1 | | 13x-12=20 | | 13x-12=19 | | 13x-12=18 | | 13x-12=17 | | 13x-12=16 | | 13x-12=15 | | 13x-12=14 | | 13x-12=13 | | 13x-12=12 | | 13x-12=11 | | 13x-12=10 | | 13x-12=9 | | 13x-12=8 | | 13x-12=7 | | 13x-12=6 | | 13x-12=5 | | 13x-12=4 | | 13x-12=3 | | 13x-12=2 | | 13x-12=1 | | 13x-11=20 | | 13x-11=19 | | 13x-11=18 |