guriceel10
guriceel10
30-01-2017
Mathematics
contestada
-2x+y=9, x+2y=3 elimination
Respuesta :
Аноним
Аноним
30-01-2017
−
2x
+y
=9
−
2x
+y
+
−y
=
9+
−y
−
2x
=
−y
+9
−
2x
−2
=
−y
+9
−2
x=
12
y
+
−9
2
Now,
x+
2y
=3
x+
2y
+
−
2y
=
3+
−
2y
x=
−
2y
+
3
Hoped I helped!
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