| 679 | × | 117 25 | + | 47 10 | x | = | 679 | × | 47 10 | + | 47 10 | x |
| Left side of the equation = | 79443 25 | + | 47 10 | x |
79443 25 | + | 47 10 | x | = | 679 | × | 47 10 | + | 47 10 | x |
| Right side of the equation = | 31913 10 | + | 47 10 | x |
79443 25 | + | 47 10 | x | = | 31913 10 | + | 47 10 | x |
47 10 | x | − | 47 10 | x | = | 31913 10 | − | 79443 25 |
| 0 | x | = | 31913 10 | − | 79443 25 |
| 0 | x | = | 679 50 |