| ( | 26807 1000 | + | x | ) | × | 43 20 | = | 26807 500 | + | 71721 1000 | − | x |
| Left side of the equation = | 26807 1000 | × | 43 20 | + | x | × | 43 20 |
| = | 1152701 20000 | + | x | × | 43 20 |
1152701 20000 | + | 43 20 | x | = | 26807 500 | + | 71721 1000 | − | x |
| Right side of the equation = | 25067 200 | − | x |
1152701 20000 | + | 43 20 | x | = | 25067 200 | − | x |
43 20 | x | + | x | = | 25067 200 | − | 1152701 20000 |
63 20 | x | = | 25067 200 | − | 1152701 20000 |
63 20 | x | = | 1353999 20000 |
| x | = | 1353999 20000 | ÷ | 63 20 |
| = | 1353999 20000 | × | 20 63 |
| = | 451333 1000 | × | 1 21 |
| x | = | 451333 21000 |
| x | = | 21.492048 |