| ( | 5 | × | 220 | + | 92 | x | ) | ÷ | 407 5 | = | ( | 92 | ( | 30 | − | x | ) | + | 80 | ( | 2163 50 | + | x | ) | ) | ÷ | 3663 50 |
| Left side of the equation = | 5 | × | 220 | × | 5 407 | + | 92 | x | × | 5 407 |
| = | 500 37 | + | 460 407 | x |
500 37 | + | 460 407 | x | = | ( | 92 | ( | 30 | − | x | ) | + | 80 | ( | 2163 50 | + | x | ) | ) | ÷ | 3663 50 |
| Right side of the equation = | 92 | ( | 30 | − | x | ) | × | 50 3663 | + | 80 | ( | 2163 50 | + | x | ) | × | 50 3663 |
| = | 4600 3663 | ( | 30 | − | x | ) | + | 4000 3663 | ( | 2163 50 | + | x | ) |
| = | 4600 3663 | × | 30 | − | 4600 3663 | x | + | 4000 3663 | ( | 2163 50 | + | x | ) |
| = | 46000 1221 | − | 4600 3663 | x | + | 4000 3663 | ( | 2163 50 | + | x | ) |
| = | 46000 1221 | − | 4600 3663 | x | + | 4000 3663 | × | 2163 50 | + | 4000 3663 | x |
| = | 46000 1221 | − | 4600 3663 | x | + | 57680 1221 | + | 4000 3663 | x |
| = | 34560 407 | − | 200 1221 | x |
500 37 | + | 460 407 | x | = | 34560 407 | − | 200 1221 | x |
460 407 | x | + | 200 1221 | x | = | 34560 407 | − | 500 37 |
1580 1221 | x | = | 34560 407 | − | 500 37 |
1580 1221 | x | = | 29060 407 |
| x | = | 29060 407 | ÷ | 1580 1221 |
| = | 29060 407 | × | 1221 1580 |
| = | 1453 | × | 3 79 |
| x | = | 4359 79 |
| x | = | 55.177215 |