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anonymous

  • 5 years ago

Select the best possible first step to solving the following system by first eliminating the x variable. 2x + 5y = 1 x + 6y = –10

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  1. anonymous
    • 5 years ago
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    Multiply the second equation by 2. Multiply the first equation by 2. Multiply the first equation by –2. None of the above

  2. 2bornot2b
    • 5 years ago
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    2x + 5y = 1 -2x - 12y = 20

  3. 2bornot2b
    • 5 years ago
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    -8y=21

  4. 2bornot2b
    • 5 years ago
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    i.e. Multiply the first equation by –2.

  5. Mertsj
    • 5 years ago
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    Multiply the second equation by -2

  6. anonymous
    • 5 years ago
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    would the answer be none of the above? because none of those are choices

  7. anonymous
    • 5 years ago
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    |dw:1326855283834:dw|

  8. anonymous
    • 5 years ago
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    |dw:1326855387998:dw|

  9. anonymous
    • 5 years ago
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    |dw:1326855446015:dw|

  10. anonymous
    • 5 years ago
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    |dw:1326855508267:dw|