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Which of the following is value of x is in the solution set of 9(2x + 1) < 9x – 18? A) –4 B) –3 C) –2 D) –1

Which of the following is value of x is in the solution set of 9(2x + 1) < 9x – 18? A) –4 B) –3 C) –2 D) –1
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4 votes
Which of the following is value of x is in the solution set of 9(2x + 1) < 9x – 18?

A) –4
B) –3
C) –2
D) –1

User Towana
by
8.3k points

2 Answers

2 votes
the answer is a........
User Aleksei Tirman
by
8.0k points
4 votes
9(2x+1)<9x-18
18x+9<9x-18
minus 9x from both sides
9x+9<-18
minus 9 from both sides
9x<-27
divide both sides by 9
x<-3
so anything smaller than -3

only possible one is -4

A is answer
User Mob
by
8.1k points
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