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Anonymous Anonymous
  • 28-01-2017
  • Mathematics
Answered

Please help. The question is in the picture.

Please help. The question is in the picture. class=

Verified Answer :

mreijepatmat
mreijepatmat mreijepatmat
  • 25-08-2017

x= 7y +7   (a)
x = 9y - 3  (b)

Since (a) & (b) both equal to x, that means 7y + 7 = 9y - 2

7y + 7 = 9y - 3 →
7 + 3 = 9y - 7y

10 = 2y    and y =  5. Replace y=5 either in (a) or in (b) and you will find x=42

Ten the solution is (42, 5)

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