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Mathematics 6 Online
OpenStudy (anonymous):

The number 5 is one of the solutions for the inequality 3x < 21. True or False.

OpenStudy (anonymous):

why don't you plug it in and see?......

OpenStudy (anonymous):

I'm not good at these problems .. Why do you think I'm asking?

OpenStudy (anonymous):

3x<21, so 3 * 5 = 15 which is less than 21, so it is true

OpenStudy (anonymous):

Thank You :)

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