AWLLogan AWLLogan

28-09-2016
Mathematics

contestada

7x+3y= -9 solve for y

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lilalong16 lilalong16

28-09-2016

7x + 3y = -9
+9 +9
________________

7x + 3y + 9 = 0
-3y -3y
_______________

7x + 9 = -3y
(divide each side by negative 3)

7x 9
__ + __ = y
-3 -3

simplified it would be :

7x
__ - 3 = y
-3

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Аноним Аноним

28-09-2016

the correct answer is -3

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