Advanced MathEasyCombining like terms with a subtraction
Advanced Math practice question
Which expression is equivalent to 4x + 3x − 2x?
- A. 5xCorrect
- B. 9x
- C. 5x²
- D. x
Answer: A. 5x
4 + 3 − 2 = 5, so the sum is 5x.
Why the other answers are wrong
- B. 9x
- This adds 2x instead of subtracting.
- C. 5x²
- Adding like terms does not change the power.
- D. x
- This subtracts both 3x and 2x.
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