Respuesta :
{4x + y = 2
{−2x + y = 5
--------------------subtract
6x = -3
x = -1/2
4x + y = 2
4(-1/2) + y = 2
-2 + y = 2
y = 4
x = -1/2 and y = 4
answer
(−1/2, 4)
{−2x + y = 5
--------------------subtract
6x = -3
x = -1/2
4x + y = 2
4(-1/2) + y = 2
-2 + y = 2
y = 4
x = -1/2 and y = 4
answer
(−1/2, 4)