| X | − | 1 5 | X | − | 1 20 | X | − | 3 | = | 1197 100 | + | 1 5 | × | 1197 100 |
| Left side of the equation = | 3 4 | X | − | 3 |
3 4 | X | − | 3 | = | 1197 100 | + | 1 5 | × | 1197 100 |
| Right side of the equation = | 1197 100 | + | 1197 500 |
| = | 3591 250 |
3 4 | X | − | 3 | = | 3591 250 |
3 4 | X | = | 3591 250 | + | 3 |
3 4 | X | = | 4341 250 |
| X | = | 4341 250 | ÷ | 3 4 |
| = | 4341 250 | × | 4 3 |
| = | 1447 125 | × | 2 |
| X | = | 2894 125 |
| X | = | 23.152 |