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mushinni

Find the sum or difference. please help, and if you can explain it would be great! :)

  • one year ago
  • one year ago

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  1. mushinni
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    • one year ago
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  2. mushinni
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    really guys? I just need help

    • one year ago
  3. jim_thompson5910
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    To add these, you just add the corresponding components

    • one year ago
  4. jim_thompson5910
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    first row, first column: -8 + (-2) = -10 ------------------------------------------------------- first row, second column: -1 + 0 = -1 ------------------------------------------------------- first row, third column: 7 + (-2) = 5 ------------------------------------------------------- etc etc

    • one year ago
  5. mushinni
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    I knew it was something simple. but just could not get to it. thank you very much

    • one year ago
  6. jim_thompson5910
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    you're welcome

    • one year ago
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spraguer (Moderator)
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