Answer:
x = 7.5
Explanation:
imagine the 5 and x highlighted green
and the 6 and 9 highlighted blue
green goes on top blue goes on bottom
=
now cross multiply
45 = 6x
x = 7.5
you can check your answer by putting 7.5/5 and 9/6 and you get the answer 1.5 for both
hope this helps