( | 60 | − | 2 | X | ) | × | 12 | × | 305 | × | 2 | + | 20 | ( | 120 | − | 2 | × | 12 | ) | × | 305 | = | X | × | 12 | × | 400 | × | 4 | + | ( | 120 | − | 2 | × | 12 | ) | × | 12 | × | 400 | × | 2 |
Left side of the equation = | ( | 60 | − | 2 | X | ) | × | 7320 | + | 6100 | ( | 120 | − | 2 | × | 12 | ) |
( | 60 | − | 2 | X | ) | × | 7320 | + | 6100 | ( | 120 | − | 2 | × | 12 | ) | = | X | × | 12 | × | 400 | × | 4 | + | ( | 120 | − | 2 | × | 12 | ) | × | 12 | × | 400 | × | 2 |
Left side of the equation = | 60 | × | 7320 | − | 2 | X | × | 7320 | + | 6100 | ( | 120 | − | 2 | × | 12 | ) |
= | 439200 | − | 14640 | X | + | 6100 | ( | 120 | − | 2 | × | 12 | ) |
= | 439200 | − | 14640 | X | + | 6100 | × | 120 | − | 6100 | × | 2 | × | 12 |
= | 439200 | − | 14640 | X | + | 732000 | − | 146400 |
= | 1024800 | − | 14640 | X |
1024800 | − | 14640 | X | = | X | × | 12 | × | 400 | × | 4 | + | ( | 120 | − | 2 | × | 12 | ) | × | 12 | × | 400 | × | 2 |
Right side of the equation = | X | × | 19200 | + | ( | 120 | − | 2 | × | 12 | ) | × | 9600 |
1024800 | − | 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 |
1024800 | − | 14640 | X | = | 19200 | X | + | 921600 |
- | 14640 | X | − | 19200 | X | = | 921600 | − | 1024800 |
- | 33840 | X | = | 921600 | − | 1024800 |
- | 33840 | X | = | - | 103200 |
103200 | = | 33840 | X |
33840 | X | = | 103200 |
X | = | 103200 | ÷ | 33840 |
= | 103200 | × | 1 33840 |
= | 430 | × | 1 141 |
X | = | 430 141 |
X | = | 3.049645 |