Question

Sum of 3 times a number and 15 is 45. Find the
number.

Answer 1

3x + 15 = 45

3x = 45-15

3x=30 x = 10 ans

Answer 2

Answer:

Let the no. BE x

3x + 15 = 45

3x =45 - 15

3x=30

x=30/3

x=10