Question

Solve 3x-y=4, x^2+3y^2=16

Answer 1

Answer:

3x-y=4

=> -y= 4×3x,

x^2+3y^2=16

= (x+3y)^2=16

Answer 2

Answer:

$3x - y = 4$

$x = y$

$y = 2$

$x = 2$

$3(2) - 2 = 4$

$6 - 2 = 4$