elana
elana
10-03-2014
Mathematics
contestada
Solve this system by using substitution:
y=7x-10
y=-3
Respuesta :
deathstrike001
deathstrike001
11-03-2014
lets use substitution
y=7x-10
y=-3
so
-3=7x-10
7=7x
1=x
now lets check
y=7(1)-10
y=-3
therefore both equations have the same value
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