Question

The sum of a two digit number and the number obtained by reversing the order of its
digits is 121. If the digits in unit's and ten's place are 'x' and 'y'respectively.​

Answer 1

Answer:

• The required linear equation is x + y = 11

Step-by-step explanation:

Given units digit is x and tens digit is y

Hence the two digit number = 10y + x

Number obtained by reversing the digits = 10x + y

Given that sum of a two digit number and the number obtained by reversing the order of its digits is 121.

Hence,

(10y + x) + (10x + y) = 121

⇒ 11x + 11y = 121

$\boxed{\pink{ = > x + y = 11} }$

Answer 2

Answer:

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