Question

19. Find the value of k, if x = 2, y = -1 is a solution of the equation 3x - y = k​

Answer 1

Step-by-step explanation:

put the value of x and y

then we will get

3(2)-(-1)=k

k=6+1

k=7

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Answer 2

Answer:

3x-y=k

3(2)-(-1)=k

6+1=k

so k =7

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