grayvagonzal grayvagonzal

03-09-2016
Mathematics

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if y = - 4/5x - 2, what is the value of x when y = - 9

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nobillionaireNobley nobillionaireNobley

04-09-2016

y = -4/5 x - 2
-9 = -4/5 x - 2
-4/5 x = -9 + 2 = -7
-4x = 5(-7) = -35
x = -35/-4 = 35/4

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