english
čeština
slovenčina
український
italiano
magyar
deutsch
français
polski
русскийInstructions:
Solve a set of two equations with two unknowns and find out values of unknown variables x and y.
Example
| 18 . x + 18 . y | = | -54 |
| 18 . x - 9 . y | = | -27 |
| = | ||
| = | ||
| = | ||
| x | = | |
| y | = | |
| Correctness test | ||
| 18 . + 18 . | = | -54 |
| 18 . - 9 . | = | -27 |
Solution
| 18 . x + 18 . y | = | -54 |
| 18 . x - 9 . y | = | -27 |
| x | = | -2 |
| y | = | -1 |
Write to Matthew