Question

a number when multiplied by 4 exceeds itself by 45 . find the number with process

Answer 1

let the no. be x
according to the question
4x=x+45
3x=45
x=15

Answer 2

Assume the no is n ., Then

4 x n = n + 45

4n - n = 45

3n = 45

n = 45/3

n=15

so the answer is 15