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LenaWriter [7]
4 years ago
7

Use the Elimination method to solve the system of equations. X+y=-3 X-y=13

Mathematics
2 answers:
pashok25 [27]4 years ago
8 0
For x
x+y=-3
x-y=13
---------
2x=10
x=5
For y
5+y=-3
y=-3-5
y=-8
svlad2 [7]4 years ago
3 0
X + y = -3
<u>x -  y = 13</u>
    <u>2x</u> = <u>10</u>
     2      2
      x = 5
  x + y = -3
  5 + y = -3
<u>- 5         - 5</u>
        y = -8
  (x, y) = (5, -8)
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