( | 60 | − | 2 | X | ) | × | 12 | × | 305 | × | 2 | + | 30 | ( | 120 | − | 2 | × | 12 | ) | × | 305 | = | X | × | 12 | × | 400 | × | 4 | + | ( | 120 | − | 2 | × | 12 | ) | × | 12 | × | 400 | × | 2 |
Left side of the equation = | ( | 60 | − | 2 | X | ) | × | 7320 | + | 9150 | ( | 120 | − | 2 | × | 12 | ) |
( | 60 | − | 2 | X | ) | × | 7320 | + | 9150 | ( | 120 | − | 2 | × | 12 | ) | = | X | × | 12 | × | 400 | × | 4 | + | ( | 120 | − | 2 | × | 12 | ) | × | 12 | × | 400 | × | 2 |
Left side of the equation = | 60 | × | 7320 | − | 2 | X | × | 7320 | + | 9150 | ( | 120 | − | 2 | × | 12 | ) |
= | 439200 | − | 14640 | X | + | 9150 | ( | 120 | − | 2 | × | 12 | ) |
= | 439200 | − | 14640 | X | + | 9150 | × | 120 | − | 9150 | × | 2 | × | 12 |
= | 439200 | − | 14640 | X | + | 1098000 | − | 219600 |
= | 1317600 | − | 14640 | X |
1317600 | − | 14640 | X | = | X | × | 12 | × | 400 | × | 4 | + | ( | 120 | − | 2 | × | 12 | ) | × | 12 | × | 400 | × | 2 |
Right side of the equation = | X | × | 19200 | + | ( | 120 | − | 2 | × | 12 | ) | × | 9600 |
1317600 | − | 14640 | X | = | 19200 | X | + | ( | 120 | − | 2 | × | 12 | ) | × | 9600 |
Right side of the equation = | 19200 | X | + | 120 | × | 9600 | − | 2 | × | 12 | × | 9600 |
= | 19200 | X | + | 1152000 | − | 230400 |
= | 19200 | X | + | 921600 |
1317600 | − | 14640 | X | = | 19200 | X | + | 921600 |
- | 14640 | X | − | 19200 | X | = | 921600 | − | 1317600 |
- | 33840 | X | = | 921600 | − | 1317600 |
- | 33840 | X | = | - | 396000 |
396000 | = | 33840 | X |
33840 | X | = | 396000 |
X | = | 396000 | ÷ | 33840 |
= | 396000 | × | 1 33840 |
= | 550 | × | 1 47 |
X | = | 550 47 |
X | = | 11.702128 |