Question

Porfavor que alguien me ayude

Answer 1

(X^2 + 3y^2= 7 ) ×2 .......(a)
2x^2-4y^2=4 ..........(b)
2a-b
10y^2=10 -----> y^2=1 ----> y=1
2×x^2 - 4 x1^4 =4 ----> x^2 =4 ---> x=2