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anonymous

  • one year ago

1. Is -7+9=-9+7 true, false or open? 2.Is 4x-3=19 true,false,or open?

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  1. anonymous
    • one year ago
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    ok, so what is the sum of -7 + 9

  2. anonymous
    • one year ago
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    2

  3. anonymous
    • one year ago
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    ok, and \(-9+7\)?

  4. anonymous
    • one year ago
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    -2

  5. anonymous
    • one year ago
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    yeah, so they are NOT equal right?

  6. anonymous
    • one year ago
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    go with "false"

  7. anonymous
    • one year ago
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    as for the second, it could be true or not depending on \(x\) i think the term of art for that is "open"

  8. anonymous
    • one year ago
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    so 2 is open ?

  9. anonymous
    • one year ago
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    @satellite73

  10. anonymous
    • one year ago
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    yes, it would seem to be open since x can take a value in order for that equation to be true

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spraguer (Moderator)
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