Question 1041233
 I shall write a two digit number sum of two digit number is 14 and if 29 is subtracted from the number two digits will be equal .
Led us from the simultaneous equations by solving them let us see what will be the two digit number. 
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No one has answered this question because there are no integer solutions using the given values. It can be done if you change 29 to 20 so it will read>
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" I shall write a two digit number sum of two digit number is 14 and if 20 is subtracted from the number two digits will be equal ."
Let a = the 10's digit
let b = the units, this will also be the equal digits
Two equations
a + b = 14
and
10a + b - 20 = 10b + b
10a + b - 20 = 11b
10a + 1 - 11b = 20
10a - 10b = 20
simplify, divide by 10
a - b = 2
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Use elimination on these two equations
a + b = 14
a - b = 2
------------ adding eliminates b, find a
2a = 16
a = 8 is the first digit
then
14 - 8 = 6 is the 2nd digit
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86 is the two digit number
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if you subtract 20 from 86 you get 66, the digits are equal