| x | ÷ | ( | 21783159 50 | + | ( | x | + | 164021 10 | ) | ÷ | 2 | + | 12522279 50 | × | 3 | ÷ | 12 | − | 13656 5 | × | 7 | ÷ | 12 | ) | = | 3 50 |
| Multiply both sides of the equation by: | ( | 21783159 50 | + | ( | x | + | 164021 10 | ) | ÷ | 2 | + | 12522279 50 | × | 3 | ÷ | 12 | − | 13656 5 | × | 7 | ÷ | 12 | ) |
| x | = | 3 50 | ( | 21783159 50 | + | ( | x | + | 164021 10 | ) | ÷ | 2 | + | 12522279 50 | × | 3 | ÷ | 12 | − | 13656 5 | × | 7 | ÷ | 12 | ) |
| x | = | 3 50 | × | 21783159 50 | + | 3 50 | ( | x | + | 164021 10 | ) | ÷ | 2 | + | 3 50 | × | 12522279 50 | × | 3 | ÷ | 12 | − | 3 50 | × | 13656 5 | × | 7 |
| x | = | 65349477 2500 | + | 3 100 | ( | x | + | 164021 10 | ) | + | 37566837 10000 | − | 11949 125 |