Rokaya
Rokaya
28-11-2018
Mathematics
contestada
Solve this problem using substitution
Respuesta :
samone1818
samone1818
28-11-2018
solving for (x,y)
(x-y=8)
(x=y-8) & (y=x-8)
solving for (y,x)
(2y=2x-16)
(y=x-8)&(x=y+8)
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