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If x + 2y = 5 and x - 4y = -7, what is the value of x?
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19 May 2018, 16:12
19 May 2018, 16:12
Expert Reply
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Question Stats:
84% (00:33) correct
15% (00:43) wrong based on 19 sessions
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Re: If x + 2y = 5 and x - 4y = -7, what is the value of x?
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27 May 2018, 05:55
27 May 2018, 05:55
1
Substracting one equation from the other will give an equation with only value of y.
On solving we get it as 2.
On substituting the value of y in any one of the equations,we get the value of x as 1
On solving we get it as 2.
On substituting the value of y in any one of the equations,we get the value of x as 1
Re: If x + 2y = 5 and x - 4y = -7, what is the value of x?
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16 Aug 2022, 00:00
16 Aug 2022, 00:00
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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