16Hit1600
AlgebraMediumNumber from a bracketed product

Algebra practice question

Three times the result of subtracting 4 from a number is 48. What is the number?

Answer: 20

3(n − 4) = 48 gives n − 4 = 16, so n = 20.

Common wrong answers

If you answered 12
12 subtracts 4 from 16.
If you answered 16
16 is n − 4.
If you answered 17.33
17.33 solves 3n − 4 = 48.

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