Question

Qual a resposta dessa equação?

X2 + 2y2=1
2x - 3y=2

Answer 1

X2 + 2y2=1
x×2+2y×2=1
2x+4y=1
2x=1-4y
x=1/2-2y
x=1/2-2y,yER

2x - 3y=2
2x=2+3y
x=1+3/2y
x=1+3/2y,yER