Question

A number when multiplied by 4 is increased by 90

Answer 1

Let the no. be = x

So,

4x = x + 90

3x = 90

x = 30

So, the number is 30.

Answer 2

Step-by-step explanation:

Let a number be X

4×X = X +90

4X-X =90

3X =90

X = 90/3

X= 30