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Patrickdaawsome Group Title

5x+y=0 5x+2y=30 Solve by elimination need help to make sure im right :D

  • 2 years ago
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  1. joojoo Group Title
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    using linear algebra or substitution?

    • 2 years ago
  2. studyopen101 Group Title
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    y=30, right?

    • 2 years ago
  3. Patrickdaawsome Group Title
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    Use the elimination method

    • 2 years ago
  4. Hero Group Title
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    -5x-y = 0 5x + 2y = 30 y = 30 x=-6

    • 2 years ago
  5. joojoo Group Title
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    y=30 by multiplying the 2nd eqn by -1 and adding the two eqns, you eleminate x

    • 2 years ago
  6. Patrickdaawsome Group Title
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    Thank you both Hero for quick answer and joojoo for explanation :D.

    • 2 years ago
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