Answer:
x = 19/5
Step-by-step explanation:
5x-4y = 17
Let y = 1/2
5x-4(1/2) = 17
5x -2 = 17
Add 2 to each side
5x-2+2 =17+2
5x=19
Divide by 5
5x/5 = 19/5
