(B) Given the linear equation $3x - 4y = k$.Since $(2, 5)$ is a solution to this equation,it must satisfy the equation.Substitute $x = 2$ and $y = 5$

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(B) Given the linear equation $3x - 4y = k$.Since $(2, 5)$ is a solution to this equation,it must satisfy the equation.Substitute $x = 2$ and $y = 5$ into the equation:$3(2) - 4(5) = k$$6 - 20 = k$$k = -14$Therefore,the value of $k$ is $-14$.

Class 9 Mathematics Linear Equations in Two Variables Mix Examples - Linear Equations in Two Variables

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Find the value of $k,$ if $(2,5)$ is a solution of $3x - 4y = k$.

A
$10$
B
$-14$
C
$-12$
D
$9$

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Mix Examples - Linear Equations in Two Variables

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Find the value of $k,$ if $(2,5)$ is a solution of $3x - 4y = k$.

Similar Questions

Find the common solution of the equations $x + y = 0$ and $x - y = 0$.

The $y$-form of the equation $3x - 4y = 24$ is:

Write the following equation in the standard form $ax + by + c = 0$ and indicate the values of $a, b,$ and $c$ in each case:$0.2x + 0.5y = 1.2$

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Write the following equation in the standard form $ax + by + c = 0$ and indicate the values of $a, b,$ and $c$ in each case:
$0.2x + 0.5y = 1.2$