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birdie4 birdie4
  • 07-02-2017
  • Mathematics
Answered

plz help with this!!!

plz help with this!!! class=

Verified Answer :

Anonymous Anonymous
  • 10-02-2017

4x - y = 61 
2y = x

substitute x = 2y in first equaation:-

4(2y) - y = 61
7y = 61 
y = 61/7 

so x = 2 * 61/7  = 122/7

y = 8 5/7  and x = 17 3/7

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