Question

Threa consecutive integers have a sum of 30. Which equation can be used to find x, the value of the smallest of the three numbers?

Answer 1

9

Explanation:

X+X+1+X+2=30

3x+3=30

-3. -3

3X=27

Divide by 3

X=9

Answer 2

x + (x + 1) + (x + 2) = 30