Ответ: x = - 5; y = -2
Объяснение:
x = -7 - y
y² + (-7 - y)² = 25
y² + 49 + y² + 7y + 7y = 25
y² + y² + 7y + 7y= 25 - 49
2y² + 14y = -24
y² + 7y = -12
y = -2
x = -7 -(-2)
x = -5
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ: x = - 5; y = -2
Объяснение:
x = -7 - y
y² + (-7 - y)² = 25
y² + 49 + y² + 7y + 7y = 25
y² + y² + 7y + 7y= 25 - 49
2y² + 14y = -24
y² + 7y = -12
y = -2
x = -7 -(-2)
x = -5