Math, asked by suryansh527054, 6 months ago

Find the value of

k

if x = 3, y = 2

is a solution of the equation 4x + (k −1) y =16​

Answers

Answered by rajmaya1973yadav
1

Answer:

3

Step-by-step explanation:

4x + (k - 1)y = 16

4(3) + (k-1)2 = 16

12 + (k-1)2 = 16

(k-1) = (16 - 12)/2

k-1 = 4/2

k-1 = 2

k = 3

Answered by stylishheart24
0

  \:  \:  \: 4x + (k - 1)y = 16 \\ 4(3) + (k - 1)2 = 16 \\ \:  \:  \:  \:  \:  \:  \:  12 + 2k - 2 = 16 \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  10 + 2k =16 \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  2k = 16 - 10 \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: 2k = 6\\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   k =  \frac{6}{2}  \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  k = 3

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