SAT Question i find difficult?!

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The average (mean) of 2 positive numbers, x & y, is 10. If the smaller number is subtracted from twice the larger number, the result is 14.If y>x what pairs of equations correctly expresses this information?

Feb 6th, 2015

( x + y )/ 2 =10 (from the average)

x + y = 20


2y - x = 14

are the two equations.  The options listed in multiple choice question may have variable moved around or simplified.

Feb 6th, 2015

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Feb 6th, 2015
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Feb 6th, 2015
Oct 20th, 2017
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