Angiee99
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 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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