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−5x − 8y = 17 2x − 7y = −17
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Jan 28, 2017
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−5x − 8y = 17 2x − 7y = −17
Mathematics
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Alvin Reyes
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Elimination Method
-5x - 8y = 17 (×2)
2x - 7y = -17 (×5)
-10x - 16y = 34
10x - 35y = -85
____________
-51y = -51
y = 1
-5x - 8(1) = 17
-5x - 8 = 17
-5x = 17 + 8
-5x = 35
x = -7
(-7, 1)
Neil Wilson
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Feb 2, 2017
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Neil Wilson
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