| x | = | 91 4 | − | 411 10 | ( | 6 | − | 117 50 | ) | ÷ | 2 |
| Right side of the equation = | 91 4 | − | 411 20 | ( | 6 | − | 117 50 | ) |
| x | = | 91 4 | − | 411 20 | ( | 6 | − | 117 50 | ) |
| Right side of the equation = | 91 4 | − | 411 20 | × | 6 | + | 411 20 | × | 117 50 |
| = | 91 4 | − | 1233 10 | + | 48087 1000 |
| = | - | 52463 1000 |
| x | = | - | 52463 1000 |