4584 25 | + | ( | 7 | y | − | 11689 25 | − | ( | 7 | y | × | 13 100 | − | 14 | − | 112 | ) | × | 1 10 | ) | × | 3 4 | − | 260 | = | 0 |
Left side of the equation = | - | 1916 25 | + | ( | 7 | y | − | 11689 25 | − | ( | 7 | y | × | 13 100 | − | 14 | − | 112 | ) | × | 1 10 | ) | × | 3 4 |
- | 1916 25 | + | ( | 7 | y | − | 11689 25 | − | ( | 7 | y | × | 13 100 | − | 14 | − | 112 | ) | × | 1 10 | ) | × | 3 4 | = | 0 |
Left side of the equation = | - | 1916 25 | + | 7 | y | × | 3 4 | − | 11689 25 | × | 3 4 | − | ( | 7 | y | × | 13 100 | − | 14 | − | 112 | ) | × | 1 10 | × | 3 4 |
= | - | 1916 25 | + | 21 4 | y | − | 35067 100 | − | ( | 7 | y | × | 13 100 | − | 14 | − | 112 | ) | × | 3 40 |
= | - | 42731 100 | + | 21 4 | y | − | ( | 7 | y | × | 13 100 | − | 14 | − | 112 | ) | × | 3 40 |
= | - | 42731 100 | + | 21 4 | y | − | 7 | y | × | 13 100 | × | 3 40 | + | 14 | × | 3 40 | + | 112 | × | 3 40 |
= | - | 42731 100 | + | 21 4 | y | − | 273 4000 | y | + | 21 20 | + | 42 5 |
= | - | 20893 50 | + | 20727 4000 | y |
- | 20893 50 | + | 20727 4000 | y | = | 0 |
20727 4000 | y | = | 0 | + | 20893 50 |
20727 4000 | y | = | 20893 50 |
y | = | 20893 50 | ÷ | 20727 4000 |
= | 20893 50 | × | 4000 20727 |
= | 20893 | × | 80 20727 |
y | = | 1671440 20727 |
y | = | 80.64071 |