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anonymous

  • one year ago

Evaluate 3(a – 4b) when a = –2 and b = 5. A. 54 B. –54 C. 39 D. –66

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  1. anonymous
    • one year ago
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    @mathstudent55

  2. mathstudent55
    • one year ago
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    Replace a with -2 and b with 5 in the expression. Then do the arithmetic. 3(a – 4b) = = 3(-2 - 4 * 5)

  3. mathstudent55
    • one year ago
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    Start inside the parentheses and follow the correct order of operations.

  4. anonymous
    • one year ago
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    i'm not getting the answer

  5. anonymous
    • one year ago
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    can you help me @UsukiDoll

  6. anonymous
    • one year ago
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    -66 is the answer!!!!

  7. anonymous
    • one year ago
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    thanks

  8. anonymous
    • one year ago
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    Haven't you get it.... I worked it out in my head it's very easy....

  9. anonymous
    • one year ago
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    You are welcome!!

  10. anonymous
    • one year ago
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    And thank you for giving me a medal!!

  11. UsukiDoll
    • one year ago
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    " 3(a – 4b) = = 3(-2 - 4 * 5)" =3(-2-20) = 3(-22) = -66 yup that user is right.

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