Question

Cual es la respuesta de 9x-3y+5;-5x+4y-9.

Answer 1

9x - 3y + 5= 0⇒ 9x - 3y = -5. (*4. 36x -12y = -20
-5x +4y -9 = 0⇒ ,-5x +4y = 9. (*3. -15x +12y = 27
____________
21x. = 7
x = 7/21 = 1/3

9(1/3) - 3y = -5
3- 3y = -5
-3y = -5-3
y = -8/-3 = 8/3


...............Kd