| 43 | × | 69 2000 | + | ( | 1105 | − | 43 | + | 44 | + | 2 100 | X | ) | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | = | 0 |
| Left side of the equation = | 2967 2000 | + | ( | 1105 | − | 43 | + | 44 | + | 2 100 | X | ) | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
2967 2000 | + | ( | 1105 | − | 43 | + | 44 | + | 2 100 | X | ) | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | = | 0 |
| Left side of the equation = | 2967 2000 | + | 1105 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | − | 43 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | 2967 2000 | + | 1105 | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1105 | × | 1 | − | 43 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X |
| = | 2967 2000 | + | 1105 2 | ( | 1 | + | 69 2000 | ) | − | 1105 | − | 43 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 2207033 2000 | + | 1105 2 | ( | 1 | + | 69 2000 | ) | − | 43 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 2207033 2000 | + | 1105 2 | × | 1 | + | 1105 2 | × | 69 2000 | − | 43 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 2207033 2000 | + | 1105 2 | + | 15249 800 | − | 43 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 2127821 4000 | − | 43 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 2127821 4000 | − | 43 | ( | 1 | + | 69 2000 | ) | × | 1 2 | + | 43 | × | 1 | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 2127821 4000 | − | 43 2 | ( | 1 | + | 69 2000 | ) | + | 43 | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 1955821 4000 | − | 43 2 | ( | 1 | + | 69 2000 | ) | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 1955821 4000 | − | 43 2 | × | 1 | − | 43 2 | × | 69 2000 | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 1955821 4000 | − | 43 2 | − | 2967 4000 | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 511197 1000 | + | 44 | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 511197 1000 | + | 44 | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 44 | × | 1 | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 511197 1000 | + | 22 | ( | 1 | + | 69 2000 | ) | − | 44 | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 555197 1000 | + | 22 | ( | 1 | + | 69 2000 | ) | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 555197 1000 | + | 22 | × | 1 | + | 22 | × | 69 2000 | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 555197 1000 | + | 22 | + | 759 1000 | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 266219 500 | + | 2 100 | X | ( | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 1 | ) |
| = | - | 266219 500 | + | 2 100 | X | ( | 1 | + | 69 2000 | ) | × | 1 2 | − | 2 100 | X | × | 1 |
| = | - | 266219 500 | + | 1 100 | X | ( | 1 | + | 69 2000 | ) | − | 1 50 | X |
| = | - | 266219 500 | + | 1 100 | X | × | 1 | + | 1 100 | X | × | 69 2000 | − | 1 50 | X |
| = | - | 266219 500 | + | 1 100 | X | + | 69 200000 | X | − | 1 50 | X |