Advanced MathEasy–MediumConstant after combining two distributed terms
Advanced Math practice question
The expression 4(x + 2) − 2(x − 3) simplifies to 2x + c, where c is a constant. What is the value of c?
Answer: 14
4x + 8 − 2x + 6 = 2x + 14.
Common wrong answers
- If you answered 2
- 2 comes from 8 − 6, forgetting that −2 × (−3) is +6.
- If you answered 5
- 5 adds 2 and 3 without multiplying.
- If you answered -2
- −2 comes from 8 − 6 with the sign of 8 lost.
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