hannahrkg
hannahrkg
14-02-2017
Mathematics
contestada
It's a system of equations x=-4y x+6y=18
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apologiabiology
apologiabiology
14-02-2017
subsitute -4y for x
-4y+6y=18
2y=18
divide both sides by 2
y=9
sub back
x=-4y
x=-4(9)
x=-36
(x,y)
(9,-36)
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