roseiy
roseiy roseiy
  • 06-03-2017
  • Mathematics
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2x-7y=13 3x+y=8 solve by substitution

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priyamishra5star
priyamishra5star priyamishra5star
  • 06-03-2017
mulitplying first equation by7 and then summing up the two
x=3 and y=-1
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