anonymous
  • anonymous
solve the system by the substitution method 1/2x+1/5y=-11/10 1/2x+2y=5/2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Shayaan_Mustafa
  • Shayaan_Mustafa
is it difficult?
anonymous
  • anonymous
Am trying to compare what i got if you can help!
anonymous
  • anonymous
Thanx

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Shayaan_Mustafa
  • Shayaan_Mustafa
sure. i can.
radar
  • radar
I would proceed by multiplying the second equation by 2. Getting: x+4y=5 Then express x in terms of y like: x=-4y+5. Substitute for x in the first equation: (1/2)(-4y+5) +1/5y = -11/10 -2y+5/2 +1/5y=-11/10 (-9/5)y=-11/10-5/2 (-9/5)y=-36/10 y=2
radar
  • radar
x+8=5 x=-3 (-3,2)
anonymous
  • anonymous
Thanx
radar
  • radar
How did this compare? with your answer
radar
  • radar
You're most welcome.
anonymous
  • anonymous
I had the same (-3, 2) I wasn't sure
radar
  • radar
O.K. probably is correct.

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