Question

5x-4y=-18 and x-4y=6

Answer 1

x=-6, y=-3
i solved by substitution

Answer 2

Answer:

x = -6 and y = -3

Step-by-step explanation:

x- 4y =6

x =4y +6......(i)

5x -4y =-18

20y +30 - 4y = -18

16y = -48

y = -3

x = -12+6

x = -6