the digit of a two digit number differ by three. if the digits are inter change and the resulting number is added to the original number we get 143 .what is the original number
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Let the two digit no be 10x +y
A. To. Q
x-y=3------------------(1)
10y+x +10x+y =143
11x+11y=143
x+y=13-----------------(2)
Eq(1)+eq(2)
2x=16
x=8
Put x in eq (2)
y=5
So reqd no is 85
A. To. Q
x-y=3------------------(1)
10y+x +10x+y =143
11x+11y=143
x+y=13-----------------(2)
Eq(1)+eq(2)
2x=16
x=8
Put x in eq (2)
y=5
So reqd no is 85
nilimatajne:
tell me the procedure properly. please
this is the procedure no one can question in this procedure
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