16Hit1600
AlgebraEasy–MediumNumber from a tripling and a subtraction

Algebra practice question

A number is tripled, and then 8 is subtracted from the result, giving 25. What is the number?

Answer: 11

3x − 8 = 25 gives 3x = 33, so x = 11.

Common wrong answers

If you answered 33
33 stops at 3x = 33.
If you answered 99
99 multiplies 33 by 3.
If you answered 17/3
17/3 subtracts 8 from 25 before dividing.

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