Question

If (2,1) is a solution of the linear equation 3x - 4y = k, then the value of k is________ 

a. -2

b. 4

c.-3

d. 2

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Answer 1

Answer:

The given equation is 3x-4y=k

(2,1) is a solution of the equation.

So putting the value of x=2 and y=1

3×2-4×1=k

=> 6-4=k

=> k=2

Thus, the value of k is 2.

hope you got it.

Answer 2

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