Answer:
x=4 and y=4
Step-by-step explanation:
From first function we have:
[tex] 3x - 4y = - 4 \\ 4y = 3x + 4[/tex]
And from the second one:
[tex]y = 2x - 4 \\ 4y = 8x - 16[/tex]
Substitute them:
[tex]4y = 3x + 4 \\ 4y = 8x - 16 \\ \\ 0 = - 5x + 20 \\ x = 4 \\ y = 4[/tex]
