Math, asked by ahadkhan1, 1 year ago

A number is two digits.The digits.The digit at tens place is four times the digit at unit place.If 54 is subtracted from the number, the digits are reversed.Find the number

Answers

Answered by SUNDAY123
1
Firstly
Let number be 10x+y
x=4y is eqn 1;can be written as x-4y=0
54+10x+y=10y+x
9y-9x=54
-9(x-y)=54
X-Y=-6 is eqn 2
Solve both equations.
X=4 and y=-2
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