| ( | 437 10 | − | 13 20 | X | ) | ÷ | ( | 58 | − | X | ) | = | ( | 7053 100 | − | 153 100 | X | ) |
| Multiply both sides of the equation by: | ( | 58 | − | X | ) |
| ( | 437 10 | − | 13 20 | X | ) | = | ( | 7053 100 | − | 153 100 | X | ) | ( | 58 | − | X | ) |
437 10 | − | 13 20 | X | = | ( | 7053 100 | − | 153 100 | X | ) | ( | 58 | − | X | ) |
437 10 | − | 13 20 | X | = | 7053 100 | ( | 58 | − | X | ) | − | 153 100 | X | ( | 58 | − | X | ) |
437 10 | − | 13 20 | X | = | 7053 100 | × | 58 | − | 7053 100 | X | − | 153 100 | X | ( | 58 | − | X | ) |
437 10 | − | 13 20 | X | = | 204537 50 | − | 7053 100 | X | − | 153 100 | X | ( | 58 | − | X | ) |
437 10 | − | 13 20 | X | = | 204537 50 | − | 7053 100 | X | − | 153 100 | X | × | 58 | + | 153 100 | X | X |
437 10 | − | 13 20 | X | = | 204537 50 | − | 7053 100 | X | − | 4437 50 | X | + | 153 100 | X | X |
437 10 | − | 13 20 | X | = | 204537 50 | − | 15927 100 | X | + | 153 100 | X | X |