codya18
codya18
04-06-2018
Mathematics
contestada
is the answer a, b, c, or d.
Respuesta :
mkryukova19
mkryukova19
04-06-2018
x-2y =1 ------------->
x=1+2y
6x - 5y = 20
6(1+2y) - 5y= 20
6 +12y -5y =20
7y = 20 -6
7y = 14
y=2
x=1 +2y
x = 1 +2*2
x=5
(5,2) is the answer (B).
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