chino54
chino54
04-02-2019
Mathematics
contestada
Solve 2x+y=3 x+y=5 in substitution method
Respuesta :
Kampe
Kampe
06-02-2019
2x+y=3
- x+y=5
---------------
x=-2
2(-2)+y=3
y=7
-2+y=5
y=7
(-2,7)
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