TayDrizzle
TayDrizzle
12-03-2015
Mathematics
contestada
what is 2x-3y=-2 and 4x+y=24
Respuesta :
Panoyin
Panoyin
12-03-2015
2x - 3y = -2 ⇒ 4x - 6y = -4
4x + y = 24 ⇒
4x + y = 24
-7y
=
-28
-7 -7
y = 4
2x - 3(4) = -2
2x - 12 = -2
+12 +12
2x
=
12
2 2
x = 6
(x, y) = (6, 4)
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