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1 September, 06:24

Solve for the 2 unknowns: 3y + 3x = 24

6y+3x = 39

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Answers (1)
  1. 1 September, 09:37
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    3y + 3x = 24

    6y+3x = 39

    subtract first equation from second

    6y-3y+3x-3x=39-24

    3y=15

    y=5

    put this value in first equation 3y+3x=24

    3*5+3x=24

    15+3x=24

    3x=9

    x=3

    Answer: (3; 5)
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