[tex]3x + 2y = 1450 \ 2x + 900 = 4y[/tex]oshie her - вопрос №321450290041721265 от pavlushkaaa 31.03.2020 14:23

Question

Математика: [tex]3x + 2y = 1450 \ 2x + 900 = 4y[/tex]oshie her​

pavlushkaaa · Answer

Пошаговое объяснение:3х+2у=1450  *22х-4у= -9006х+4у=29002х-4у= -9008х=2000х=2000:8х=2502*250-4у= -900500-4у= -9004у= 900+5004у=1400у=1400:(4)у=350ответ:(250;350)...

oshie her​

$3x + 2y = 1450 \\ 2x + 900 = 4y$ oshie her