Question

please answer it pleaseeee :(

Answer 1

Answer:

Hey mate, I can't understand your question

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Answer 2

Answer:

52

Step-by-step explanation:

let x be the digit in tens place

let y be the digit in units place

original no: 10x+y

interchange no: 10y+x

first condition

x+y=7

second condition

(10y+x)=(10x+y)=-27

-10x+x+10y-y=-27

-9x+9y=-27

9(-x+y)=-27

x-y=3

solve and x=5

substitute it in eq1

y=2

original no=10*5+2

=52