Answer:
[tex]x = 6[/tex]
Step-by-step explanation:
Step 1: Cross Multiply
[tex]\frac{18}{3} = \frac{x}{1}[/tex]
[tex]18 * 1 = x * 3[/tex]
[tex]18 = 3x[/tex]
Step 2: Divide both sides by 3
[tex]18/3 = 3x / 3[/tex]
[tex]6 = x[/tex]
Answer: [tex]x = 6[/tex]