Question

Variable y varies directly with variable x, and y = 6 when x = 9.

Answer 1

Well, 18 is 6 x 3

Since y was multiplied by 3, we can multiply x by 3 to get its value

9 x 3 = 27

Answer 2

(9)(6)=(x)(18)
54=18x
3=x
hope this helps!