Q7 of 56 Page 13

If (2k-1,k) is a solution of the equation 10x-9y=12, then k=

Given, (2k-1,k) is a solution of the equation 10x-9y=12


⇒ 20x – 10 – 9k = 12


⇒ 11k = 22


⇒ k = 2

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