Question

x=2y-8

4x+3y=23

Answer 1

use substitution ...

1st into the 2nd:

4(2y-8) + 3y = 23
8y - 32 + 3y = 23
11y = 55
y = 5
back into the 1st
x = 10-8 = 2

x=2 , y = 5