Need Help on this math problem. Thank you

Question

Three consecutive natural numbers have a sum of 36.

What is the greatest number?

Answer Choices

A. 11


B. 12


C. 13


D. 15

Answer 1

x+(x+1)+(x+2)=36

3x+3=36

can you finish ??

Answer 2

Let x = the smallest number

Let x + 1 = the middle number

Let x + 2 = the largest number

x + x + 1 + x + 2 = 36

3x + 3 = 36

3x = 33

x = 11

x + 2 = 11 + 2 = 13