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PLEASE HELP!!
Solve the following system of equations:

−2x + y = 1
−4x + y = −1

A (3, 1)
B (−1, 3)
C (−1, −3)
D (1, 3)

Respuesta :

-4x+y=1

Answer is:
y=4x-1

——————

-2x+y=1


Answer is:


y=2x+1