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Question

Sarabjit is 4 years younger than his sister Lena. Write the algebraic expression for this situation.


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Solution

Let us suppose that, Lena's age is x,

we have given that, Sarabjit is 4 years younger than his sister Lena,

Thus, age of Sarabjit would be 4 less than x, that is x-4,

Hence, the algebraic expression for this situation is x-4.


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