| ( | ( | X | × | 117 2000 | × | 180 | ÷ | 360 | ) | + | X | ) | × | 7 | × | 103 100 | = | 40000000 |
| Left side of the equation = | ( | ( | X | × | 117 2000 | × | 180 | ÷ | 360 | ) | + | X | ) | × | 721 100 |
| ( | ( | X | × | 117 2000 | × | 180 | ÷ | 360 | ) | + | X | ) | × | 721 100 | = | 40000000 |
| Left side of the equation = | ( | X | × | 117 2000 | × | 180 | ÷ | 360 | ) | × | 721 100 | + | X | × | 721 100 |
| = | X | × | 117 2000 | × | 180 | ÷ | 360 | × | 721 100 | + | 721 100 | X |
| = | X | × | 84357 400000 | + | 721 100 | X |
| = | 2968357 400000 | X |
2968357 400000 | X | = | 40000000 |
| X | = | 40000000 | ÷ | 2968357 400000 |
| = | 40000000 | × | 400000 2968357 |
| X | = | 16000000000000 2968357 |