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Updated 262 days ago|9/7/2014 1:29:42 PM
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7x - 3y = 4 2x - 4y = 1 The solution to the system of equations is _____. (13/34, -15/34), (3/22, -7/22), (13/22, 1/22).
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Updated 5/27/2014 9:46:02 PM
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7x - 3y = 4 multiple 4 on both sides;
28x - 12y = 16 (equation 1)
2x - 4y = 1 multiple 3 on both sides,
6x - 12y = 3 (equation 2)
equation 1 - equation 2 the result is:
22x = 13,
x = 13/22
7(13/22) - 3y = 4
(91/22) - 3y = 4
-3y = 4 - (91/22) = 88/22 - 91/22 = -3/22
y = (-3/22)/(-3) = 1/22
The solution for the system 7x - 3y = 4, 2x - 4y = 1 is (13/22, 1/22).
Added 5/27/2014 9:46:02 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [5/27/2014 9:50:00 PM]
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