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Mathematics 15 Online
OpenStudy (anonymous):

Translate the sentence into an inequality. Three subtracted from the product of 7 and a number is less then or equal to -19 use y for unknown number

OpenStudy (anonymous):

I kinda had the answer but then I got lost.

OpenStudy (anonymous):

How far did you get in the setup?

OpenStudy (anonymous):

I did 3- and then I got stuck after that lol

OpenStudy (anonymous):

When it says 3 subtracted from something (say x for right now), it is written in the following way algebraically: x - 3. In this case, 3 is subtracted from the product of 7 and a number; if \(n\) is this number, how do you express "the product of 7 and a number" algebraically? Once you figure this part out, you then set it all less than or equal to -19 and you'll have your answer. Does this clarify things? :-)

OpenStudy (anonymous):

it'll either be 7n or 7xn

OpenStudy (anonymous):

wait, is the answer 3-7n less then/equal too -19?

OpenStudy (anonymous):

Close; it's the other way around for the terms on the left hand side. It should be \(7n-3 \leq -19\). Also, I just saw the note that they wanted us to use y for the unknown number, so in fact it should instead be \(7y-3\leq -19\). Does this make sense? :-)

OpenStudy (anonymous):

Yes, I wish I could give you more then 1 medal ._. you deserve it ^^

OpenStudy (anonymous):

I have one more and I just did it myself but can you check it for me?

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