[tex] \frac{15}{45} = \frac{6}{x} [/tex]
[tex]➡ \frac{x - 18}{3x} = 0 \: ➡x = 18[/tex]
Answer:
*im cross cancelling*
15/45 = 6/x
45(6) = 15x
270 = 15x
/15 /15
18 = x