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# Find x + 2y. (1) x + y = 4 (2) 2x + 4y = 12

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Math Expert
Joined: 02 Sep 2009
Posts: 51188
Find x + 2y. (1) x + y = 4 (2) 2x + 4y = 12  [#permalink]

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29 Oct 2017, 00:57
00:00

Difficulty:

25% (medium)

Question Stats:

88% (00:19) correct 13% (00:26) wrong based on 23 sessions

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Find x + 2y.

(1) x + y = 4
(2) 2x + 4y = 12

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Re: Find x + 2y. (1) x + y = 4 (2) 2x + 4y = 12  [#permalink]

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29 Oct 2017, 10:20
1. x+y =4
Not sufficient

2. 2x + 4y =12
=> x + 2y = 6
Sufficient

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Re: Find x + 2y. (1) x + y = 4 (2) 2x + 4y = 12 &nbs [#permalink] 29 Oct 2017, 10:20
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# Find x + 2y. (1) x + y = 4 (2) 2x + 4y = 12

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