Question

If x = 2k − 1 and y = k is the solution of 3x + 5y − 7 = 0,the value of k is​

Answer 1

Answer:

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Answer 2

Answer:

k = 10

Step-by-step explanation:

3x-5y-7 = 0 ---(1)

Substitute x = 2k-1 and y=k in equation (1) , we get

3(2k-1)-5(k)-7=0

6k-3-5k-7=0

6k-5k-3-7=0

k-10=0

k = 10

Therefore,

value of k = 10