Question

решите систему линейных уравнений у=5х+11 у-1=-3х-6

Answer 1

$left { {{y=5x+11} atop {y-1=-3x-6}} right. \ left { {{y=5x+11} atop {5x+11-1=3x-6}} right. \ left { {{y=5x+11} atop {2x=-16}} right. \ left { {{x=-8} atop {y=5*(-8)+11}} right. \ left { {{x=-8} atop {y=-29}} right. \ OTBET:(-8;-29)$