16Hit1600
Advanced MathMediumRational equation with a common denominator

Advanced Math practice question

What value of x satisfies 3/x + 3/(2x) = 9/4?

Answer: 2

3/x + 3/(2x) = 9/(2x), so 9/(2x) = 9/4 and 2x = 4.

Common wrong answers

If you answered 1
1 gives 3 + 1.5 = 4.5.
If you answered 4
4 is 2x.
If you answered 0.5
0.5 inverts the answer.

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