73 10 | ÷ | 87 | − | 35 | ÷ | 2000 | − | 40 | ÷ | 1650 | + | X | ÷ | 126 | = | 49 20000 | ( | X | + | 823 10 | ) |
Left side of the equation = | 73 870 | − | 7 400 | − | 4 165 | + | X | × | 1 126 |
= | 16141 382800 | + | 1 126 | X |
16141 382800 | + | 1 126 | X | = | 49 20000 | ( | X | + | 823 10 | ) |
Right side of the equation = | 49 20000 | X | + | 49 20000 | × | 823 10 |
= | 49 20000 | X | + | 40327 200000 |
16141 382800 | + | 1 126 | X | = | 49 20000 | X | + | 40327 200000 |
1 126 | X | − | 49 20000 | X | = | 40327 200000 | − | 16141 382800 |
6913 1260000 | X | = | 40327 200000 | − | 16141 382800 |