Question

Please tell the solution for the above question​

Answer 1

Step-by-step explanation:

Let no. be 10x+y

x+y=12

x=12-y

10x+y+18=10y+x

9x-9y=-18

x-y=-2

12-y-y=-2

12-2y=-2

-2y=-10

y=5

x=7

No.=57

Answer 2

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