Question

${x}^{2} + {y}^{2} = 8 \\ x = y$
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Answer 1

Ответ:

y = x = 2

Объяснение:

x = y; x^2 + y^2 = 8

y^2 + y^2 = 8

2y^2 = 8

y^2 = 4

y = 2

x = 2