Question 412276
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Hi
Let x and y represent the first and second numbers respectively
Question states*** 
 x+ 9 = 2y    OR x = 2y-9
 y + 20 = 4x
 y+20 = 4(2y-9)
   56 = 7y
   y = 8 and x = 7  (2*8-9)

CHECKING our Answer***
 8 + 20 = 4*7