skull1
skull1
25-05-2016
Mathematics
contestada
15x=-32-14y
9x=-64+14y
Respuesta :
jilly2272
jilly2272
25-05-2016
1) (15x=-32-14y)-1
2) 9x=-64+14y
1) -15x=32+14y
-
2) 9x=-64+14y
3) -24x=96
3) x=-4
Substitute x into 1) equation
1)
15*-4=-32-14y
1) -60+32=-14y
1) -28=-14y
1) y=2
Answer:
x=-4
y=2
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