Answer:
The order paired (-1 , 3) is the solution
Explanation:
∵ y = 5x + 8
∵ y = -4x - 1
∴ 5x + 8 = -4x - 1
∴ 5x + 4x = -1 - 8
∴ 9x = -9
∴ x = -1
Substitute x in any of the two equation to find the value of y
∴ y = 5(-1) + 8 = -5 + 8 = 3
∴ The ordered pair is ( -1 , 3)