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If the point (2, -2) lies on the graph of linear equation, 5x + ky = 4, find the value of k.

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If the point (2, -2) lies on the graph of linear equation, 5x + ky = 4, find the value of k.

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Point (2,-2) lies on the given linear equation, which implies (2, -2) satisfy this equation 5x + ky = 4. 

Now, putting x = 2 and y = -2 in 5x + ky = 4 

5 × 2 + ( -2 ) k = 4 

10 – 2k = 4 

2k = 10 – 4 

2k = 6 

k = 6/2 = 3

The value of k is 3.

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