| ( | X | − | 700 | ) | − | X | × | 37 1000 | ÷ | 12 | − | ( | X | + | 700 | ) | × | 6 | ÷ | 10000 | − | ( | X | − | 700 | ) | × | 13 100 | × | 3 25 | = | 0 |
| Left side of the equation = | ( | X | − | 700 | ) | − | X | × | 37 12000 | − | ( | X | + | 700 | ) | × | 3 5000 | − | ( | X | − | 700 | ) | × | 39 2500 |
| ( | X | − | 700 | ) | − | 37 12000 | X | − | ( | X | + | 700 | ) | × | 3 5000 | − | ( | X | − | 700 | ) | × | 39 2500 | = | 0 |
| Left side of the equation = | X | − | 700 | − | 37 12000 | X | − | ( | X | + | 700 | ) | × | 3 5000 | − | ( | X | − | 700 | ) | × | 39 2500 |
| = | 11963 12000 | X | − | 700 | − | ( | X | + | 700 | ) | × | 3 5000 | − | ( | X | − | 700 | ) | × | 39 2500 |
| = | 11963 12000 | X | − | 700 | − | X | × | 3 5000 | − | 700 | × | 3 5000 | − | ( | X | − | 700 | ) | × | 39 2500 |
| = | 11963 12000 | X | − | 700 | − | X | × | 3 5000 | − | 21 50 | − | ( | X | − | 700 | ) | × | 39 2500 |
| = | 59779 60000 | X | − | 35021 50 | − | ( | X | − | 700 | ) | × | 39 2500 |
| = | 59779 60000 | X | − | 35021 50 | − | X | × | 39 2500 | + | 700 | × | 39 2500 |
| = | 59779 60000 | X | − | 35021 50 | − | X | × | 39 2500 | + | 273 25 |
| = | 58843 60000 | X | − | 1379 2 |
58843 60000 | X | − | 1379 2 | = | 0 |
58843 60000 | X | = | 0 | + | 1379 2 |
58843 60000 | X | = | 1379 2 |
| X | = | 1379 2 | ÷ | 58843 60000 |
| = | 1379 2 | × | 60000 58843 |
| = | 1379 | × | 30000 58843 |
| X | = | 41370000 58843 |
| X | = | 703.057288 |