reverse the digit of the no. 47.add/subtract both the numbers and divide the sum /difference by 11/9.check if you get a rremainder
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Answer:
let the no. be x.
(x + 47 )÷(x - 47)= 11/9
(x +47)/(x -47)= 11/9
cross multiply = 9( x + 47)= 11(x - 47)
= 9x + 423 = 11x - 517
= 9x -11x = -517 - 423
= -2x = -940
= x = -940/-2
= x = 470
Answered by
2
Answer:
x=470
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