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i think its answer is 18 not sure
Answer:83
Step-by-step explanation:
Two digit number=10x+y
Case I
8*(x+y)-5=10x+y
8x+8y-5=10x+y
2x-7y=-5-------1
Case II
16*(x-y)+3=10x+y
16x-16y+3=10x+y
6x-17y=-3--------2
Combining eqs 1 (multiply by 3) and 2
6x-17y=-3
6x-21y=-15
- + +
4y=12 ->y=3
Putting y value in 1
2x-7*3=-5
2x=21-5=16 ->x=16/2=8
Required 2 digit number
10x+y
10*8+3=83