ulisessantoyo0
ulisessantoyo0
13-02-2018
Mathematics
contestada
-x - 7y = 14 -4x - 14y = 28
Respuesta :
s1m1
s1m1
13-02-2018
I am assuming it is a system of equations and that you need to find x and y
-x-7y=14 so -x=14+7y, x=-7y-14
-4x-14y=28 substitute x ,
-4(-7y-14)-14y=28,
28y+56-14y=28,
14y=28-56
y= -28/14= -2
x=-7y-14= -7(-2)-14=14-14=0
x=0 and y= -2
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