Can someone pls show how to do this is with explanation

Answer:
Step-by-step explanation:
Let,
The number be = x
Given,
Three - fourth of the number =
[tex] \frac{3}{4} x[/tex]
Then subtracted from 5 =
[tex]5 - \frac{3}{4} x [/tex]
Result would be = 8
Hence,
Required equation
[tex] 5 - \frac{3}{4} x = 8[/tex]