Question

Prepare simultaneous equations as per given instructions :
The number
The number formed
is 4 times The digit in tens placer by interchanging the
the sum of The digit in units place y digits = 2 x original
number-9
the digits.
(1)​

Answer 1

Answer:

Let the tens and unit digit of number are =x,y respectively

First condition :

⇒10x+y=4(x+y)⇒2x=y

Second condition :

⇒10x+y+18=10y+x

⇒x−y=−2

⇒x−2x=−2

⇒x=2

⇒y=4

∴   two digit number =24

Step-by-step explanation:

PLS MARK ME AS A BRAINLIST