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Mathematics 9 Online
OpenStudy (anonymous):

If you add 13 to four times a certain number, the sum is less than 265. Let x represent the number. Write an inequality that can be solved to find the value of x. Help?

OpenStudy (noseboy908):

Ok, the problem starts out with you adding 13 to "a certain number", which is called x, so how would you write "13 added to "a certain number"" in an equation?

OpenStudy (anonymous):

13+4x<265?

OpenStudy (loser66):

yup

OpenStudy (noseboy908):

Yes indeed.

OpenStudy (anonymous):

So, that's the answer to my question?

OpenStudy (noseboy908):

Yep!

OpenStudy (anonymous):

Thanks so much!

OpenStudy (anonymous):

Can you help me with one more? Identify the line that contains the error in this solution and correct the work for that line. Negative two times x plus one minus three is greater than or equal to eleven Negative two x plus negative two minus three is greater than or equal to eleven Negative two x plus negative five is greater than or equal to eleven Negative two x is less than or equal to sixteen x is less than or equal to negative eight

OpenStudy (noseboy908):

Is each line a different equation?

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

Parenthesis around (x plus one)

OpenStudy (anonymous):

Hello? @noseboy908 ?

OpenStudy (noseboy908):

Are you given them as you wrote them, or did you convert them?

OpenStudy (anonymous):

I converted them

OpenStudy (noseboy908):

Hmm, ok, then is the last line the universal rule for all but the one with the error?

OpenStudy (anonymous):

I figured it out, it's OK. Thanks though. =)

OpenStudy (anonymous):

Here, you have the medal, I'll be your fan.

OpenStudy (noseboy908):

Ok, Thank you very much, lady @hotgurl72 .

OpenStudy (anonymous):

LOL, have a great day!

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