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Solmyr Group Title

Carlos solved the system of equations below. What mistake did he make in his work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 − 2x) = 10 x + 10 + 4x = 10 5x + 10 = 10 5x = 0 x = 0 2(0) + y = 5 y = 5 He should have substituted 5 + 2x He did not distribute correctly He combined like terms incorrectly, it should have been 4x instead of 5x He made no mistake

  • one year ago
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  1. Solmyr Group Title
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    i didnt answer it

    • one year ago
  2. geerky42 Group Title
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    Didn't realize it's multiple choices. Look carefully at step two and three.

    • one year ago
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spraguer (Moderator)
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