Question

3x +4y =12 2x-3y=3 elimination

Answer 1

Answer:

$3 x+ 4y = 12 \: 2x - 3y = 3 \\ 3x - 2x + 4y + 3y = 12 - 3 \\ x + 7y = 9$

Answer 2

Step-by-step explanation:

$3 x \blue + 4y \blue = 12 \: 2x \blue - 3y \blue = 3$

$3 \blue - 2x \blue + 4y \blue + 3y \blue = 12 \blue - 3$

$x \blue + 7y \blue = 09$