Advanced Math practice question

Answer: 3

3 × 2x = 6x and 3 × 3 = 9, so c = 3.

Common wrong answers

If you answered 6

6 copies the x-coefficient.

If you answered 9

9 is the original constant; it must be divided by 3.

If you answered 27

27 multiplies 9 by 3 instead of dividing.

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