Question 946867: Which ordered pair is the solution of the system?
6x - 6y = 2
3x + 9y = -7
(1/3, 2/3)
(2/3, -1/3)
(-1/3, -2/3)
(-2/3, 1/3)
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Which ordered pair is the solution of the system?
6x - 6y = 2
3x + 9y = -7
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Modify::
6x - 6y = 2
6x + 18y = -14
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24y = -16
y = -2/3
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Solve for "x"::
3x + 9(-2/3) = -7
3x - 18/3 = -21/3
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3x = -1
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x = -1/3
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Cheers,
Stan H.
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(1/3, 2/3)
(2/3, -1/3)
(-1/3, -2/3)
(-2/3, 1/3)
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