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anonymous

  • one year ago

Study Guide? A student is trying to solve the set of two equations given below: Equation A: x + z = 6 Equation B: 2x + 3z = 1 Which of the following is a possible step used in eliminating the z-term? Multiply equation B by 3. Multiply equation A by 2. Multiply equation B by 2. Multiply equation A by −3.

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  1. pooja195
    • one year ago
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    Keeping in mind that opposites cancel what would you multiply by?

  2. anonymous
    • one year ago
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    Equation B by 2? Im not sure if that would cancel X or Z out?

  3. pooja195
    • one year ago
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    Not quite whats the opposite of 3?

  4. anonymous
    • one year ago
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    Negative 3.... so you would multiply the equation by that?

  5. pooja195
    • one year ago
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    yes! :D -3+3=0 therefore the z term cancels

  6. anonymous
    • one year ago
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    Thanks so much!

  7. pooja195
    • one year ago
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    Do you understand?

  8. anonymous
    • one year ago
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    Yes, thank you.

  9. pooja195
    • one year ago
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    :) \(\huge\color{blue}{Welcome~To~OpenStudy!!~:)}\)

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