Question 1204153
DE + DF = EF

DE=DF

2x - 4 + 2x - 4 = 2x + 22



4x - 8 = 2x + 22

2x - 8 = 22

2x = 30

(2x)/2 = 30/2

x = 15

we can find the value of AC:

AC = 3x - 5
AC = 3(15) - 5
AC = 45 - 5
AC = 40

So, AC = 40.