| ( | 108 | × | 6 5 | + | 4 | ) | × | 45 4 | × | 23 20 | × | 23 20 | x | ÷ | 100 | − | ( | 103 | × | 6 5 | + | 4 | ) | × | 45 4 | × | 23 20 | x | ÷ | 100 | = | 0 |
| Left side of the equation = | ( | 108 | × | 6 5 | + | 4 | ) | × | 4761 32000 | x | − | ( | 103 | × | 6 5 | + | 4 | ) | × | 207 1600 | x |
| ( | 108 | × | 6 5 | + | 4 | ) | × | 4761 32000 | x | − | ( | 103 | × | 6 5 | + | 4 | ) | × | 207 1600 | x | = | 0 |
| Left side of the equation = | 108 | × | 6 5 | × | 4761 32000 | x | + | 4 | × | 4761 32000 | x | − | ( | 103 | × | 6 5 | + | 4 | ) | × | 207 1600 | x |
| = | 385641 20000 | x | + | 4761 8000 | x | − | ( | 103 | × | 6 5 | + | 4 | ) | × | 207 1600 | x |
| = | 795087 40000 | x | − | ( | 103 | × | 6 5 | + | 4 | ) | × | 207 1600 | x |
| = | 795087 40000 | x | − | 103 | × | 6 5 | × | 207 1600 | x | − | 4 | × | 207 1600 | x |
| = | 795087 40000 | x | − | 63963 4000 | x | − | 207 400 | x |
| = | 134757 40000 | x |
134757 40000 | x | = | 0 |
| x | = | 0 | ÷ | 134757 40000 |
| = | 0 | × | 40000 134757 |
| x | = | 0 |