4
QuizMultiple Choice
Analyzing Solutions — Unit test
Question 4 • Math 8
Aanya wrote the four equations that are shown below.AB CDShe examined them, without solving them, to determine which has exactly one solution. Which of Aanya’s equations has exactly one solution?
Answer
A
6 x minus 8 = 4 (x minus 2) + 2 x
B
3 (x minus 1) + 2 x = 3 (x minus 1) + 2
C
7 x + 2 minus x = 6 (x + 2)
D
4 (x + 3) + x = 5 (x + 1) + 7