anonymous
  • anonymous
A student is trying to solve the system of two equations given below: Equation P: y + z = 6 Equation Q: 5y + 9z = 1 Which of these is a possible step used in eliminating the y-term? (y + z = 6) ⋅ 9 (y + z = 6) ⋅ −5 (5y + 9z = 1) ⋅ 9 (5y + 9z = 1) ⋅ 5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
so to eliminate y, you have to multiply (mostly) by a non zero number, such that, it will have the effect that your new y if added to the y in the othe equation, the result will be zero. so in this case, only -5y + 5y will eliminate y. so equation p times -5
anonymous
  • anonymous
it's B
anonymous
  • anonymous
like @MERTICH said

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anonymous
  • anonymous
thanks(: @Johnvdb & @MERTICH
anonymous
  • anonymous
you are welcome!

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