Question

If two-third of a number is 30 less than the original number the number is

Answer 1

Let the number be X 
2 third of the number is 30 less than the original number so
equation is 2X/3=x-30
                  2x=3X-90
                  X=90/2
                  X=45

Answer 2

Answer:Let the number be x

From the given condition

2x/3=x-30

2x=x(x-30)

2x-3x=-90

-1x=-90

X=90

Step-by-step explanation:

The answer is 90