49 10 | = | 1 | × | 143 10 | × | 103 | × | 1 | X | ( | 3 40 | − | 1 2 | X | ) |
| Right side of the equation = | 14729 10 | X | ( | 3 40 | − | 1 2 | X | ) |
49 10 | = | 14729 10 | X | ( | 3 40 | − | 1 2 | X | ) |
| Right side of the equation = | 14729 10 | X | × | 3 40 | − | 14729 10 | X | × | 1 2 | X |
| = | 44187 400 | X | − | 14729 20 | X | X |
49 10 | = | 44187 400 | X | − | 14729 20 | X | X |