Question

решение системы -19+ х =-12; 9х-24ху-11у=46

Answer 1

-19+ х =-12
9х-24ху-11у=46

х=-12+19
9(-12+19) - 24(-12+19)у-11у=46

х=7
9*7-24*7у-11у=46

х=7
63-168у-11у=46

х=7
-179у=109

х=7
у= -109/179