1.
x = 10 - y\\ xy = 24 \\ y(10 - y) = 24 \\ - {y}^{2} + 10y - 24 = 0 \\ {y}^{2} - 10y + 24 = 0 \\ y1 + y2 = 10 \\ y1 \times y2 = 24 \\ y1 = 6 \\ y2 = 4" alt="x + y = 10 = > x = 10 - y\\ xy = 24 \\ y(10 - y) = 24 \\ - {y}^{2} + 10y - 24 = 0 \\ {y}^{2} - 10y + 24 = 0 \\ y1 + y2 = 10 \\ y1 \times y2 = 24 \\ y1 = 6 \\ y2 = 4" align="absmiddle" class="latex-formula">
ответ: (6;4) или (4;6)
второй не понял, украинский не знаю(