16Hit1600
AlgebraMediumNumber from a doubled expression

Algebra practice question

Twice the result of subtracting 5 from three times a number is 32. What is the number?

Answer: 7

2(3n − 5) = 32 gives 3n − 5 = 16, so n = 7.

Common wrong answers

If you answered 9
9 solves 3n − 5 = 22.
If you answered 16
16 is 3n − 5.
If you answered 12.33
12.33 solves 6n − 5 = 32, not distributing the 2 to the 5.

More Algebra questions

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