Advanced MathEasy–MediumCoefficient and constant after two distributions
Advanced Math practice question
When 3(2x − 1) + 2(x + 4) is written as ax + b, what is the value of a − b?
Answer: 3
6x − 3 + 2x + 8 = 8x + 5, so a − b = 3.
Common wrong answers
- If you answered 5
- 5 is b alone.
- If you answered 8
- 8 is a alone.
- If you answered 13
- 13 is a + b.
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