Answer:
The value of x is 3.
Step-by-step explanation:
In order to find x, you have to multiply 4 to both sides so that you can make x the subject :
[tex] \frac{x}{4} = \frac{15}{20} [/tex]
[tex] \frac{x}{4} \times 4 = \frac{15}{20} \times 4[/tex]
[tex]x = 3[/tex]
