Answer
X = 3
Work Step by Step
Let X represent the number we need to find.
Eight times a certain number means 8X.
Eight times a certain number is subtracted from 27 means 27 - 8X.
Thus, we obtain:
27 - 8X = 3
Subtract 27 from both sides:
-8X = -24
Divide both sides by -8:
X = 3