4557 100 | + | 593 50 | y | = | 661 20 | y | + | 11189 100 |
593 50 | y | − | 661 20 | y | = | 11189 100 | − | 4557 100 |
- | 2119 100 | y | = | 11189 100 | − | 4557 100 |
- | 2119 100 | y | = | 1658 25 |
- | 1658 25 | = | 2119 100 | y |
2119 100 | y | = | - | 1658 25 |
y | = | - | 1658 25 | ÷ | 2119 100 |
= | - | 1658 25 | × | 100 2119 |
= | - | 1658 | × | 4 2119 |
y | = | - | 6632 2119 |
y | = | - 3.129778 |