Question

Solve the following system of equations:

−2x + y = 1
−4x + y = −1

(3, 1)
(−1, 3)
(−1, −3)
(1, 3)

Answer 1

Any ideas? :)

Answer 2

a) −2x + y = 1
b) −4x + y = −1
Multiply equation "a" by -2 then add the equations
a) 4x - 2y = -2
b) −4x + y = −1

-y = -3
y = 3

Answer 3

thanks

Answer 4

u r welcome