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02-02-2020
Mathematics

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x-2y=0 ,x²-y²=3
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kenlingdad kenlingdad

02-02-2020

Answer:

x=2, y=1

x=-2, y = -1

Step-by-step explanation:

x - 2y = 0

x = 2y

x² - y² = 3

(2y)² - y² = 3

3y² = 3

y² = 1

y = 1 or y = - 1

x = 2 or x = -2

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