Please how to solve the equations:

y=4-3x and x=4y-6

Thank you

use 4y-6 for x

y = 4 - 3 (4y-6)

y = 4 - 12 y + 18

13 y = 22

y = 22/13
x = 4(22/13) - 6
x = 88/13 - 78/13
x = 10/13