Question

If I take three-forth of a number and add 3 to it, I get 21. Find the number.​

Answer 1

Step-by-step explanation:

let it be X....

so,

X-(3/4)+3= 21

(4X-3/3)+3= 21

4X-3+9= 63

4X+6= 63

4X= 57

X = 57/4