Answer:
pls follow me!
Step-by-step explanation:
Let the unit digit be x tense be y
no=10y+x
y=2x
10x+y=10y+x-27
9x-9y+27=0
x-y+3=0
x-2x+3=0
-x+3=0
x=3
y=6
it's 30
...........I hope my answer is correct
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Answers & Comments
Answer:
pls follow me!
Step-by-step explanation:
Let the unit digit be x tense be y
no=10y+x
y=2x
10x+y=10y+x-27
9x-9y+27=0
x-y+3=0
x-2x+3=0
-x+3=0
x=3
y=6
Step-by-step explanation:
it's 30
...........I hope my answer is correct