Question

The sum of four consecutive even numbers is 60. If x is the least of these even integers, which equation must be true?

Answer 1

x + (x+ 1) + (x+2) + (x+3) = 60

x + x + 1 + x+ 2 + x+3 = 60

4x + 6 = 60

4x = 60 - 6

4x = 54