| ( | ( | ( | 19 20 | + | 31 20 | ) | × | 19 20 | + | 173 50 | ) | × | 19 20 | + | x | ) | × | 103 100 | = | 1 | + | 173 50 | + | 31 20 | + | x |
| Left side of the equation = | ( | ( | 19 20 | + | 31 20 | ) | × | 19 20 | + | 173 50 | ) | × | 19 20 | × | 103 100 | + | x | × | 103 100 |
| = | ( | ( | 19 20 | + | 31 20 | ) | × | 19 20 | + | 173 50 | ) | × | 1957 2000 | + | x | × | 103 100 |
| = | ( | 19 20 | + | 31 20 | ) | × | 19 20 | × | 1957 2000 | + | 173 50 | × | 1957 2000 | + | 103 100 | x |
| = | ( | 19 20 | + | 31 20 | ) | × | 37183 40000 | + | 338561 100000 | + | 103 100 | x |
| = | 19 20 | × | 37183 40000 | + | 31 20 | × | 37183 40000 | + | 338561 100000 | + | 103 100 | x |
| = | 706477 800000 | + | 1152673 800000 | + | 338561 100000 | + | 103 100 | x |
| = | 2283819 400000 | + | 103 100 | x |
2283819 400000 | + | 103 100 | x | = | 1 | + | 173 50 | + | 31 20 | + | x |
| Right side of the equation = | 601 100 | + | x |
2283819 400000 | + | 103 100 | x | = | 601 100 | + | x |
103 100 | x | − | x | = | 601 100 | − | 2283819 400000 |
3 100 | x | = | 601 100 | − | 2283819 400000 |
3 100 | x | = | 120181 400000 |
| x | = | 120181 400000 | ÷ | 3 100 |
| = | 120181 400000 | × | 100 3 |
| = | 120181 4000 | × | 1 3 |
| x | = | 120181 12000 |
| x | = | 10.015083 |