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SIZIF [17.4K]
3 years ago
13

6 < 3x + 9 ≤ 18 please help me I will mark brainiest answer thanks

Mathematics
2 answers:
Olin [163]3 years ago
3 0

Answer:

Step-by-step explanation:

6< 3x + 9

-3x < 9-6

-3x < 3 .( -1 )                                            

3x > 3                          

x > 3/3

x > 3

3x + 9 ≤ 18

3x ≤ 18-9

3x ≤ 9

x ≤ 9/3

x ≤  3

S = {XeIR/ 3 > x  ≤ 3 }

Not sure if the solution looks like this

bearhunter [10]3 years ago
3 0

Answer:

Step-by-step explanation:

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