Question

Q 9) If x=3 and y=k is a solution of the equation 4x - 3y + 3 = 0, then the value of k is ?
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Answer 1

Step-by-step explanation:

As per the question,

x=3, y=k.

Putting values in the equation,

4x-3y+3 = 9

=> 4*3-3*k+3 = 9

=> 12-3k= 9-3=6

=> -3k = 6-12 = -6

=> 3k=6

=> k = 6/3 = 2.

So, the value of k is 2.

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Answer 2

Answer:

k = 5

Step-by-step explanation:

x=3, y = k

4x - 3y + 3 = 0

∴ 4(3) - 3k + 3 = 0

∴ 12 - 3k + 3 = 0

∴ 15 - 3k = 0

∴ -3k = -15

∴ k = -15 / -3

     = 5

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