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Find the value of y when x equals 11 . 7x-9y=23
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Aug 12, 2017
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Find the value of y when x equals 11 .
7x-9y=23
Mathematics
high-school
Victor Pira
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Victor Pira
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7x - 9y = 23 x = 11
7*11 - 9y = 23
77 - 9y = 23
-9y = 23 - 77
-9y = - 54
y = -54/-9
y = 6
I hope this explains it.
Andrew Andrade
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Aug 19, 2017
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Andrew Andrade
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