Home > CAAC > Chapter 8 > Lesson 8.1.4 > Problem 8-41
8-41.
Find three consecutive numbers whose sum is 138 by writing and solving an equation. Homework Help ✎
Write an equation to solve the problem.
first number = x
second number = x + 1
third number = x + 2
x + (x + 1) + (x + 2) = 138
Add like terms.
3x + 3 = 138
Solve for x.
3x = 135
x = 45