CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Solution of Linear Equation in 2 Variables

If x=1, y=2 i...

Question

If x = 1, y = 2 is a solution of the equation 3x + 2y = k, the value of k is ___.

Open in App

Solution

Putting x = 1, y = 2 in the given equation,
3 x 1 + 2 x 2 = k
$\Rightarrow$ k = 7

Suggest Corrections

thumbs-up

1

Similar questions

Q. Find the value of k, if x = 1, y = 2 is a solution of the equation 3x + 2y = k.

Q. If the pair of linear equations

3 x + 2 y = 1

(2 k + 1) x + (k + 2) y = k - 1

Has infinitely many solution, then the value of k is

Find the value of k for which the following pair of equation has no solution. $x + 2 y = 3; (k - 1) x + (k + 1) y k + 2$

Q. The value of

k

, for which the system of equation

k x + 2 y = 5

3 x + y = 1

has no solution, is

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Framing a Linear Equation

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Solution of Linear Equation in 2 Variables

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon