12 5 | ( | f | + | f | − | 7 5 | ) | − | 399 1000 | ( | f | − | 7 5 | + | f | − | 107 20 | ) | + | 303 50 | ( | f | − | 107 20 | + | f | − | 177 100 | ) | = | 6 | × | 140 | × | 195 | × | 2 | ÷ | 1000 |
Left side of the equation = | 12 5 | f | + | 12 5 | f | − | 12 5 | × | 7 5 | − | 399 1000 | ( | f | − | 7 5 | + | f | − | 107 20 | ) | + | 303 50 | ( | f | − | 107 20 | + | f | − | 177 100 | ) |
= | 12 5 | f | + | 12 5 | f | − | 84 25 | − | 399 1000 | ( | f | − | 7 5 | + | f | − | 107 20 | ) | + | 303 50 | ( | f | − | 107 20 | + | f | − | 177 100 | ) |
= | 24 5 | f | − | 84 25 | − | 399 1000 | ( | f | − | 7 5 | + | f | − | 107 20 | ) | + | 303 50 | ( | f | − | 107 20 | + | f | − | 177 100 | ) |
= | 24 5 | f | − | 84 25 | − | 399 1000 | f | + | 399 1000 | × | 7 5 | − | 399 1000 | f | + | 399 1000 | × | 107 20 | + | 303 50 |
= | 24 5 | f | − | 84 25 | − | 399 1000 | f | + | 2793 5000 | − | 399 1000 | f | + | 42693 20000 | + | 303 50 | ( | f | − | 107 20 | + | f | − | 177 100 | ) |
= | 2001 500 | f | − | 2667 4000 | + | 303 50 | ( | f | − | 107 20 | + | f | − | 177 100 | ) |
= | 2001 500 | f | − | 2667 4000 | + | 303 50 | f | − | 303 50 | × | 107 20 | + | 303 50 | f | − | 303 50 | × | 177 100 |
= | 2001 500 | f | − | 2667 4000 | + | 303 50 | f | − | 32421 1000 | + | 303 50 | f | − | 53631 5000 |
= | 8061 500 | f | − | 876279 20000 |
8061 500 | f | − | 876279 20000 | = | 6 | × | 140 | × | 195 | × | 2 | ÷ | 1000 |
Right side of the equation = | 1638 5 |
8061 500 | f | − | 876279 20000 | = | 1638 5 |
8061 500 | f | = | 1638 5 | + | 876279 20000 |
8061 500 | f | = | 7428279 20000 |
f | = | 7428279 20000 | ÷ | 8061 500 |
= | 7428279 20000 | × | 500 8061 |
= | 2476093 40 | × | 1 2687 |
f | = | 2476093 107480 |
f | = | 23.037709 |