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