Q. 303.9( 7 Votes )

# Find the value of k, if x = 3, y = 1 is a solution of the equation 2x + 5y = k.

Answer :

2x + 5y = k

Putting, x = 3 and y = 1 in 2x + 5y = k

⇒ 2×3 + 5×1 = k

⇒ 6 + 5 = k

⇒ 11 = k

Hence, k = 11

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