| 5 | ||
25%x + 10 + | (x − 25%x − 10) + 10 + 50 = x | |
| 11 |
| 5 | ||
0.25x + 10 + | (x − 0.25x − 10) + 60 = x | |
| 11 |
| 5 | 75 | |||
0.25x + 10 + | ( | x − 10) + 60 = x | ||
| 11 | 100 |
| 375 | 50 | |||
0.25x + 10 + | x − | + 60 = x | ||
| 1100 | 11 |
| 375 | 50 | |||
0.25x + | x − x = −10 + | − 60 | ||
| 1100 | 11 |
| 375 | 50 | |||
−0.75x + | x = −70 + | |||
| 1100 | 11 |