Advanced Math practice question

Answer: 2

Write over 2x: 4/(2x) + 3/(2x) = 7/(2x). So 7/(2x) = 7/4, giving 2x = 4 and x = 2.

Common wrong answers

If you answered 4

4 is 2x, before dividing by 2.

If you answered 7

7 is the numerator, not x.

If you answered 20/7

20/7 comes from adding the numerators without a common denominator: 5/x = 7/4.

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