Question 27434
The tens digit is x
the unit digit is y
x=1+y


10x+y=6(x+y)-2
10x+y=6x+6y-2
Subsitute for y
10(1+y)+y=6(1+y)+6y-2
10+10y+y=6+6y+6y-2
11y+10=4+12y
-y=-6
y=6


x=1+6
x=7


Hence, the 10 digits is 7 and the unit digit is 6.
Paul.