Question

-x + 4y = -4
y = 1/2x -2

Answer 1

(x, y) = (6, 1)

Explanation:

-x + 4y = -4

y = 1/2x -2

-x + 4(1/2x - 2) = -4

-x + 2x - 2 = 4

x = 4 + 2

x = 6

y = 1/2x - 2

y = 1/2 x 6 - 2

y = 3 - 2

y = 1

(x, y) = (6, 1)