Question

решить систему уравнений: 4х-у=11. 6х-2у=14

Answer 1

$4x - y = 11 \ 6x - 2y = 14 \ = = = = = = = \ y = 4x - 11 \ 6x - 2(4x - 11) = 14 \ 6x - 8x + 22 = 14 \ 2x = 8 \ x = 4 \ = = = = = = = \ y = 4x - 11 = 4 times 4 - 11 = 5$
Ответ: х=4, у=5