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Evaluate 7x minus 4 when x equals 5.

AEquals 3
BEquals 31
CEquals 35
DEquals 27
Answer & Solution
Correct answer: B. Equals 31
1. Substitute 5 for x in 7x minus 4 to get 7 times 5 minus 4. 2. Multiply first: 7 times 5 is 35. 3. Subtract: 35 minus 4 equals 31. _Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.2 Use the Language of Algebra_
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