DakotaRay DakotaRay

02-06-2015
Mathematics

contestada

Use the Elimination method to solve the system of equations.

X+y=-3
X-y=13

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goldcrushox goldcrushox

03-06-2015

For x
x+y=-3
x-y=13
---------
2x=10
x=5
For y
5+y=-3
y=-3-5
y=-8

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Panoyin Panoyin

04-06-2015

x + y = -3
x - y = 13
    2x = 10
   2 2
      x = 5
x + y = -3
5 + y = -3
- 5    - 5
      y = -8
(x, y) = (5, -8)

Answer Link

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