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janessa1 janessa1
  • 06-01-2016
  • Mathematics
Answered

what is 14x+2y=6 -7x-2y=-13

Verified Answer :

Billymkhoi
Billymkhoi Billymkhoi
  • 06-01-2016

14x+2y=6 (1)
-7x-2y= -13 (2)

Multiply (2) by 2, we have:
-14x-4y= -26 (3)

Take (1)+(3), we can solve and get x= -1, y= 10~


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