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# If 2x - 3y = 6, then 6y - 4x =

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Math Expert
Joined: 02 Sep 2009
Posts: 58464
If 2x - 3y = 6, then 6y - 4x =  [#permalink]

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21 Aug 2018, 06:08
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Difficulty:

15% (low)

Question Stats:

74% (00:39) correct 26% (00:58) wrong based on 64 sessions

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If 2x - 3y = 6, then 6y - 4x =

A. -12
B. -6
C. 6
D. 12
E. Cannot be determined

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Re: If 2x - 3y = 6, then 6y - 4x =  [#permalink]

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21 Aug 2018, 06:12
Given 2x-3y = 6.
Multiply this by -2 gives 6y-4x = -12

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Re: If 2x - 3y = 6, then 6y - 4x =  [#permalink]

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21 Aug 2018, 11:22
Bunuel wrote:
If 2x - 3y = 6, then 6y - 4x =

A. -12
B. -6
C. 6
D. 12
E. Cannot be determined

$$\frac{6y - 4x}{-3y + 2x} = -2$$

So, The value of $$6y - 4x = -12$$, Answer must be (A)
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Re: If 2x - 3y = 6, then 6y - 4x =  [#permalink]

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21 Aug 2018, 14:02
Bunuel wrote:
If 2x - 3y = 6, then 6y - 4x =

A. -12
B. -6
C. 6
D. 12
E. Cannot be determined

Given ,

2x - 3y = 6

6y - 4x = -12 ( multiply by -2 )

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Re: If 2x - 3y = 6, then 6y - 4x =  [#permalink]

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22 Aug 2018, 05:39
Bunuel wrote:
If 2x - 3y = 6, then 6y - 4x =

A. -12
B. -6
C. 6
D. 12
E. Cannot be determined

6y - 4x = -2 (2x - 3y) = -2 * 6 =-12

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Re: If 2x - 3y = 6, then 6y - 4x =  [#permalink]

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23 Aug 2018, 16:59
Bunuel wrote:
If 2x - 3y = 6, then 6y - 4x =

A. -12
B. -6
C. 6
D. 12
E. Cannot be determined

Multiplying the given equation by -2, we have:

-4x + 6y = 6y - 4x = -12

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Re: If 2x - 3y = 6, then 6y - 4x =   [#permalink] 23 Aug 2018, 16:59
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