| ( | 800 | + | x | − | 2500 | − | 20855 4 | − | 222789 50 | ) | ( | 1 | − | 1 4 | ) | ÷ | ( | 100000 | × | 3 10 | × | 9 10 | ) | = | 5 100 |
| Multiply both sides of the equation by: | ( | 100000 | × | 3 10 | × | 9 10 | ) |
| ( | 800 | + | x | − | 2500 | − | 20855 4 | − | 222789 50 | ) | ( | 1 | − | 1 4 | ) | = | 5 100 | ( | 100000 | × | 3 10 | × | 9 10 | ) |
| 800 | ( | 1 | − | 1 4 | ) | + | x | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 5 100 | ( | 100000 | × | 3 10 | × | 9 10 | ) |
| 800 | ( | 1 | − | 1 4 | ) | + | x | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 5 100 | × | 100000 | × | 3 10 | × | 9 10 |
| 800 | ( | 1 | − | 1 4 | ) | + | x | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| 800 | × | 1 | − | 800 | × | 1 4 | + | x | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| 800 | − | 200 | + | x | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| 600 | + | x | ( | 1 | − | 1 4 | ) | − | 2500 | ( | 1 | − | 1 4 | ) | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| 600 | + | x | × | 1 | − | x | × | 1 4 | − | 2500 | ( | 1 | − | 1 4 | ) | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| 600 | + | 3 4 | x | − | 2500 | ( | 1 | − | 1 4 | ) | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| 600 | + | 3 4 | x | − | 2500 | × | 1 | + | 2500 | × | 1 4 | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| 600 | + | 3 4 | x | − | 2500 | + | 625 | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| - | 1275 | + | 3 4 | x | − | 20855 4 | ( | 1 | − | 1 4 | ) | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| - | 1275 | + | 3 4 | x | − | 20855 4 | × | 1 | + | 20855 4 | × | 1 4 | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| - | 1275 | + | 3 4 | x | − | 20855 4 | + | 20855 16 | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| - | 82965 16 | + | 3 4 | x | − | 222789 50 | ( | 1 | − | 1 4 | ) | = | 1350 |
| - | 82965 16 | + | 3 4 | x | − | 222789 50 | × | 1 | + | 222789 50 | × | 1 4 | = | 1350 |
| - | 82965 16 | + | 3 4 | x | − | 222789 50 | + | 222789 200 | = | 1350 |
| - | 3410859 400 | + | 3 4 | x | = | 1350 |
3 4 | x | = | 1350 | + | 3410859 400 |
3 4 | x | = | 3950859 400 |
| x | = | 3950859 400 | ÷ | 3 4 |
| = | 3950859 400 | × | 4 3 |
| = | 1316953 100 | × | 1 |
| x | = | 1316953 100 |
| x | = | 13169.53 |