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2x-y=9. 3x+y=0

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2x-y=9. 3x+y=0
  • 1 answers

Yogita Ingle 3 years, 11 months ago

2x-y=9........ (i)
3x+y=0 ........ (ii)

add (i) and (ii), we get

5x = 9

x = 9/5

Put x = 9/5 in (ii) , we get
3(9/5) + y = 0

27/5 + y = 0

y = -27/5

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