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Which equation has only one unique solution? A. |3-x| = 3 B. Ix-2| - 7 = 7 C. 9 - |2x - 1| = 9 D. -4|x| + 1 = -3
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3 votes
Which equation has only one unique solution?

A. |3-x| = 3
B. Ix-2| - 7 = 7
C. 9 - |2x - 1| = 9
D. -4|x| + 1 = -3

User David Keaveny
by
8.4k points

1 Answer

3 votes

Answer:

c

9-|2x-1|=9

|2x-1|=9-9

|2x-1|=0

2x-1=0

2x=1

x=1/2

User Phanaz
by
8.3k points
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