dervatche dervatche

13-07-2015
Mathematics

contestada

Solve the system. y=x+2, y=-x+0.

Respuesta :

LordZera LordZera

13-07-2015

Subsitute:
x+2 = -x
2x = -2
x = -1
Substitute back:
y= -x = 1

Answer Link

Panoyin Panoyin

14-07-2015

y = x + 2
y = -x

   x + 2 = -x
- x     - x
   2 = -2x
   -2    -2
-1 = x
y = x + 2
y = -1 + 2
y = 1
(x, y) = (-1, 1)

Answer Link

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