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  • Find the value of k, if x = 2, y = 1 is a solution of the equation 2x + 3y = k.

4.  Find the value of k, if x = 2, y = 1 is a solution of the equation 2x + 3y = k.

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Given : 2x + 3y = k

Putting  (2,1),

we have ,   k=2x + 3y = 2(2)+3(1)=4+3=7

Therefore, k=7 for 2x + 3y = k putting x=2 and y=1.

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