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Spring98

  • one year ago

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

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  1. anonymous
    • one year ago
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    What is your understanding of this Q so far?

  2. Spring98
    • one year ago
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    c

  3. anonymous
    • one year ago
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    Tell me the steps you underwent when solving :)

  4. Spring98
    • one year ago
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    @perl

  5. Spring98
    • one year ago
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    @satellite73

  6. Spring98
    • one year ago
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    is c right?

  7. pooja195
    • one year ago
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    No

  8. pooja195
    • one year ago
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    Keep in mind opposites cancel

  9. pooja195
    • one year ago
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    a negative number + postive number (the same one) = 0

  10. Spring98
    • one year ago
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    A has -2

  11. pooja195
    • one year ago
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    Good. So it would be A :)

  12. pooja195
    • one year ago
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    -2+2=0z they cancel out

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spraguer (Moderator)
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