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Patrickdaawsome

  • 4 years ago

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

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  1. joojoo
    • 4 years ago
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    using linear algebra or substitution?

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

  3. Patrickdaawsome
    • 4 years ago
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    Use the elimination method

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

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

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

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