Question

25 less than 3 times a number is 38. What is the number?

Answer 1

You would set up the problem like this: 3n-25=38

To solve for n:

3n-25=38

   +25 +25          (Add 25 to both sides)

3n=63

/3   /3                  (Divide by 3 on both sides)

n=21

The answer is 21.