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If x + y = 5 and x = 3, then find the value of y. - Algebra

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If x + y = 5 and x = 3, then find the value of y.

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Solution

⇒ x+y=5  .....(1)

and x=3

substitute value of x in equation 1

3+y=5

y=5-3

⇒y=2

Concept: Algebraic Methods of Solving a Pair of Linear Equations - Substitution Method
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