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русскийInstructions:
Solve a set of two equations with two unknowns and find out values of unknown variables x and y.
Example
| 9 . x + 18 . y | = | -54 |
| -18 . x - 9 . y | = | -27 |
| = | ||
| = | ||
| = | ||
| x | = | |
| y | = | |
| Correctness test | ||
| 9 . + 18 . | = | -54 |
| -18 . - 9 . | = | -27 |
Solution
| 9 . x + 18 . y | = | -54 |
| -18 . x - 9 . y | = | -27 |
| x | = | 4 |
| y | = | -5 |