anonymous
  • anonymous
MEDAL Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets. x + y = -8 x - y = 14
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
if you choose to add the two equations, what will happen ?
anonymous
  • anonymous
x + y = -8 --- (1) x - y = 14 --- (2) (1) - (2): x + y - x + y = -8 - 14 2y = -22 y = -11 Substitute the value of y into (1): x - 11 = -8 x = 3 Thus, x = 3, y = -11.
anonymous
  • anonymous
Didn't she say by "using set notation to express their solution sets"?

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anonymous
  • anonymous
thank you !

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