robiejacie robiejacie

04-02-2020
Mathematics

contestada

solve for x and y

−8y+9x=−5
8y+7x=−75

Respuesta :

meredith48034 meredith48034

06-02-2020

Answer:

-8y + 9x = -5

8y + 7x = -75

16x = -80

x = -5

8y + 7(-5)= -75

8y - 35 = -75

8y = -40

y = -5

(-5,-5)

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