Answered

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Use the Elimination method to solve the system of equations.

X+y=-3
X-y=13

Sagot :

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