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September 21, 2014

September 21, 2014

Posted by **matt** on Tuesday, April 9, 2013 at 3:03pm.

- math -
**rbowh**, Tuesday, April 9, 2013 at 3:17pmx = number of answers

y = number of incorrect answers

3 x - y = 18

x + y = 10

add the two equations and solve for x

check your answer

- math -
**matt**, Tuesday, April 9, 2013 at 3:20pmHow do you that rbowh? I am really bad at this.(step by step please)

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**Ms. Sue**, Tuesday, April 9, 2013 at 3:28pmWhat part of the explanation don't you understand?

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**matt**, Tuesday, April 9, 2013 at 3:33pmHow to solve for x.(i am terrible at this)

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**rbowh**, Tuesday, April 9, 2013 at 3:34pmwhat did you get when you added the two equations?

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**matt**, Tuesday, April 9, 2013 at 3:35pmThat is what I don't get.Please can you show me how to do it.

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**rbowh**, Tuesday, April 9, 2013 at 3:36pmby the way, x represents number of correct answers - I left that out initially

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**matt**, Tuesday, April 9, 2013 at 3:38pmStep by step is what I meant.

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**rbowh**, Tuesday, April 9, 2013 at 3:42pm(3x - y) + (x + y) = 18 + 10

4 x = 28

x = ?

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**matt**, Tuesday, April 9, 2013 at 3:43pmThank you very kind sir/ma'am you were a big help.

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**rbowh**, Tuesday, April 9, 2013 at 3:46pmYou're welcome Matt.

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