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britbrat4290

  • 2 years ago

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

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  1. Ahmad1
    • 2 years ago
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    if you choose to add the two equations, what will happen ?

  2. TURITW
    • 2 years ago
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    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.

  3. ilfy214
    • 2 years ago
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    Didn't she say by "using set notation to express their solution sets"?

  4. britbrat4290
    • 2 years ago
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    thank you !

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