Answer:
x = 4.995
Explanation:
Okay first you are going to distribute the 4/9 to the x and 13 making it 4/9x + 5.78 = 8
Then subtract 5.78 from each side to make it 4/9x = 2.22
Then divide 4/9 from both sides making x = 4.995
(this answer is rounded and not exact)