nastyxboi nastyxboi

10-03-2017
Mathematics

contestada

7x+2y=-13
-3x-8y=-23

Respuesta :

Trex111 Trex111

10-03-2017

x=-3
y=4
7 (-3)=-21+2 (4)=-13
-3 (-3)=9-8 (4)=-32
9-32=-23

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