62066
AssignmentMultiple Choice

Equations in One Variable

Question 62066 • EAP-Algebra I A

Jen solved the equation 100 minus one-half x equals 92 to determine the number of questions, x, she answered incorrectly on a test. She began by subtracting 100 from both sides, then multiplying both sides by –2. Which best describes the accuracy of Jen’s work?

Question illustration
Answer
A
Incorrect. She needed to add 100 to both sides instead of subtracting 100.
Option A
B
Incorrect. She needed to multiply both sides by –2 first, then subtract 100.
Option B
C
Correct. She could have also subtracted 100 from both sides, then divided by .
Option C
D
Correct. She could have also multiplied both sides by –2 first, then subtracted 100.
Option D