Question

Решите систему:
logx16=4
2x−y=11

Answer 1

$left { {{logx 16=4 atop {2x-y=11}} => left { {{x^4=16} atop {-y=11-2x}} right. => left { {{x^4=2^4} atop {y=2x-11}} right. => left { {{x=2} atop {y=2*2-11}} right. => left { {{x=2} atop {y=-6}} right.$

Ответ: (2; -6)