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4 votes
If 3x+9<15 and x is a positive interger then what is the value of x ?

User Rabeya
by
8.2k points

2 Answers

4 votes

Answer:

x=1

Explanation:

3x+9<15

3(1)+9<15

3+9<15

12<15

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it can't be 2 because this happens

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3x+9<15

3(2)+9<15

6+9<15

15<15

15 isn't less than 15



I HOPE THIS IS RIGHT AND HAVE A GOOD DAY!!!!!!!!!!!!!!!

User The Pademelon
by
8.4k points
4 votes

3x+9<15

subtract 9 from each side

3x < 6

divide by 3

x < 2

x =1 if x must be a positive integer

User Leszek Szary
by
8.5k points