Angiee99 Angiee99

19-01-2017
Mathematics

contestada

Find the value of y when x equals 1

9x + 7y = -12

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karmellmoctezuma karmellmoctezuma

19-01-2017

9x+7y=-12
9(1)+7y=-12
9 +7y= -12
-9 -9
7y= -21
7y/ 7 = -21/7
y= -3

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