Question

Which point is a solution of the system of linear equations?

x − 3y = −4
y = −3x − 2

(1, 1)
(1, −1)
(−1, 1)
(−1, −1)

Answer 1

Explanation:

x - 3(-3x - 2) = -4

x + 9x + 6 = -4

10x + 6 = -4

10x = -10

x = -1

y = -3(-1) - 2

y = 3 - 2 = 1

(-1, 1)

Option 3