Question

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

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Answer 1

Answer:D

10(2k -1) - 9k=12

20k-9k=12+10

11k=22

k=2

Therefore value of k is 2

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Answer 2

Answer:k=2

Step-by-step explanation:Given solutions (2k-1,k)

i. e value of x and y is given

Putting it the equation

10x-9y=12

10(2k-1)-9k=12

20k-10-9k=12

11k=12+10

11k=22

K=2