Question

Решите пожаааалууууууууууйстаааа

Answer 1

1)$left { {{x-3y=5} atop {5x+11y=-1}} right. left { {{x=5+3y} atop {5(5+3y)+11y=-1}} right. left { {{x=5+3y} atop {25+26y=-1}} right. left { {{x=5+3y} atop {26y=-26}} right. left { {{x=5+3y} atop {y=-1}} right.$

$left { {{x=5+3*(-1)} atop {y=-1}} right. left { {{x=2} atop {y=-1}} right.$2)$left { {{12-7x leq 5+3x} atop {15-6x textgreater 11-2x}} right. left { {{-7x-3xleq5-12} atop {2x-6x textgreater 11-15}} right. left { {{-10x leq-7} atop {-4x textgreater -4}} right. left { {{xleq0,7} atop {x textgreater 1}} right. 0,7geq x textgreater 1$ $left { {{x=5+3*(-1)} atop {y=-1}} right. left { {{x=2} atop {y=-1}} right.$

Answer 2

2) случайно написал не обращай внимание

Answer 3

Огромное спасибо!!!

Answer 4

Пожалуйсто)