Question

19) If x=2, y = 1 in x + ky = 4, k= (a) 2, (b) -2, (c) 1, (d)-1​

Answer 1

Step-by-step explanation:

(gvn) = x equals 2 and y equals 1

x + ky = 4

2 + k(1) = 4

k = 4 - 2

k = 2

Answer 2

$\huge\bf\purple{AnSwEr}$

Given-

x=2

y= 1

x+ky = 4

To solve-

For K

Solution-

We will put 2 in place of x and 1 in place of y. then it will look like-

=> (2)+k(1)=4

=> 2+k=4

=> k= 4-2

=> k= 2

$\therefore$ Option a is your answer.

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Hope this helped u :)