| ( | 26807 1000 | + | x | ) | × | 51 20 | = | 26807 500 | + | 71721 1000 | − | x |
| Left side of the equation = | 26807 1000 | × | 51 20 | + | x | × | 51 20 |
| = | 1367157 20000 | + | x | × | 51 20 |
1367157 20000 | + | 51 20 | x | = | 26807 500 | + | 71721 1000 | − | x |
| Right side of the equation = | 25067 200 | − | x |
1367157 20000 | + | 51 20 | x | = | 25067 200 | − | x |
51 20 | x | + | x | = | 25067 200 | − | 1367157 20000 |
71 20 | x | = | 25067 200 | − | 1367157 20000 |
71 20 | x | = | 1139543 20000 |
| x | = | 1139543 20000 | ÷ | 71 20 |
| = | 1139543 20000 | × | 20 71 |
| = | 1139543 1000 | × | 1 71 |
| x | = | 1139543 71000 |
| x | = | 16.049901 |