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math

posted by on .

Please help me
I'm stuck on this one: (5x4)-2=12+
I'll try (5x4)
20-2=12+ answer 18
or (5x4)
20-2=18
12+18=30
Really I don't think either is right

  • math - ,

    the 2nd one is right

  • math - ,

    Thank you Ron

  • math - ,

    (5*4)-2=12+x
    20-2=12+x
    18=12+x
    18=12+6

    x=6

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