Which number is NOT in the solution set of x − 9 > 3?
A) 11
B) 13
C) 15
D) 17
2 answers:
Answer:
A
Step-by-step explanation:
Given
x - 9 > 3 ( add 9 to both sides )
x > 12
13, 15 and 17 are all greater than 12
However, 11 is less than 12 and is not in the solution set → A
Answer:
A) 11.
Step-by-step explanation:
x − 9 > 3 Add 9 to both sides:
x > 3 + 9
x > 12.
The only number in the list that is not greater than 12 is 11.
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