| ( | 666000 | − | 7 10 | × | 15 | x | × | 11 250 | ) | = | 27 1000 | ( | 3 10 | × | 15 | x | + | 3 100 | × | 15 | x | ) |
| Left side of the equation = | 666000 | − | 7 10 | × | 15 | x | × | 11 250 |
| = | 666000 | − | 231 500 | x |
| 666000 | − | 231 500 | x | = | 27 1000 | ( | 3 10 | × | 15 | x | + | 3 100 | × | 15 | x | ) |
| Right side of the equation = | 27 1000 | × | 3 10 | × | 15 | x | + | 27 1000 | × | 3 100 | × | 15 | x |
| = | 243 2000 | x | + | 243 20000 | x |
| = | 2673 20000 | x |
| 666000 | − | 231 500 | x | = | 2673 20000 | x |
| - | 231 500 | x | − | 2673 20000 | x | = | - | 666000 |
| - | 11913 20000 | x | = | - | 666000 |
| 666000 | = | 11913 20000 | x |
11913 20000 | x | = | 666000 |
| x | = | 666000 | ÷ | 11913 20000 |
| = | 666000 | × | 20000 11913 |
| = | 222000 | × | 20000 3971 |
| x | = | 4440000000 3971 |
| x | = | 1118106.270461 |