Question

When a number is added to two-thirds of itself, the result is 45, find the number?

Answer 1

Let the no. be x
x+2/3x=45
3x+6x/3=45
9x/3=45
9x=45*3
9x=135
x=135/9
=15 ans

Answer 2

2x/3+x:45
2x+3x/3:45
5x:45*3
X:135/5
X:27