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26-06-2017
Mathematics

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Find the the solution of this system of equations -7x-6y=59 -8x-6y=58

Respuesta :

ghanami ghanami

27-06-2017

hello :
-7x-6y=59...(1)
-8x-6y=58...(2)
(1)-(2) : x = 1
subsct in (1)
-7-6y = 59
6y =-66
y = -11

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