Question

the sum of the digits of a 3 digit number is 15. The digit at the tens place is half of the sum of the digits at the hundreds and unit places. If 396 is added to the number , the digits at the hundreds and units are interchanged. Find the number.
Please write all the steps properly.
Perfect answer will get Brainleist.

Answer 1

x+y+z=15----1
y=x+z/2
2y=x+z----2
100x+10y+z+396=100z+10y+x
99x-99z+396=0----3
solve these three equations nd u got the values of x,y nd z
nd put in
100x+10y+z which is your required number

Answer 2

This is the perfect answer which u expected!
I'm sure u cannot get a better answer than this!
Hope this helps u!
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