stacy62202
stacy62202
11-05-2016
Mathematics
contestada
x+5y=8
2x-5y=1
What is the solution?
Respuesta :
apologiabiology
apologiabiology
11-05-2016
add them to cancel y
x+5y=8
2x-5y=1 +
3x+0y=9
3x=9
divide boht isdes by 3
x=3
sub back
x+5y=8
3+5y=8
minus 3
5y=5
divide 5
y=1
(3,1)
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