| ( | x | − | 43761 500 | ) | × | 70 | − | ( | 43761 500 | × | 70 | × | 1 4000 | + | x | × | 70 | × | 1 4000 | ) | = | - | 6 |
| Left side of the equation = | x | × | 70 | − | 43761 500 | × | 70 | − | ( | 43761 500 | × | 70 | × | 1 4000 | + | x | × | 70 | × | 1 4000 | ) |
| = | x | × | 70 | − | 306327 50 | − | ( | 43761 500 | × | 70 | × | 1 4000 | + | x | × | 70 | × | 1 4000 | ) |
| = | 70 | x | − | 306327 50 | − | 43761 500 | × | 70 | × | 1 4000 | − | x | × | 70 | × | 1 4000 |
| = | 70 | x | − | 306327 50 | − | 306327 200000 | − | x | × | 7 400 |