( | 12960 | − | 22 5 | x | ) | ÷ | 343 10 | × | x | × | 100 100 | = | 19 500 |
Left side of the equation = | ( | 12960 | − | 22 5 | x | ) | × | 10 343 | x |
( | 12960 | − | 22 5 | x | ) | × | 10 343 | x | = | 19 500 |
Left side of the equation = | 12960 | × | 10 343 | x | − | 22 5 | x | × | 10 343 | x |
= | 129600 343 | x | − | 44 343 | x | x |
129600 343 | x | − | 44 343 | x | x | = | 19 500 |