Question

4×+3y=-11. 6×-7y=-5. Ecuaciones

Answer 1

4x+3y = -11
6x-7y  = -5

-6x-4.5y = 16.5
 6x -  7y  = -5
-11.5 y = 11.5
y = 11.5/-11.5 = -1

4x+3y = -11
4x+(3*-1) = -11
4x = -11+3 = -8
x = -8/4 = -2

Respuesta:
y = -1
x = -2