(C) Given the equation is $3x - 4y = k$.Since $(4, 3)$ is a solution to this equation,we substitute $x = 4$ and $y = 3$ into the equation.$3(4) - 4(3)

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(C) Given the equation is $3x - 4y = k$.Since $(4, 3)$ is a solution to this equation,we substitute $x = 4$ and $y = 3$ into the equation.$3(4) - 4(3) = k$$12 - 12 = k$$0 = k$Therefore,the value of $k$ is $0$.

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

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If $(4, 3)$ is a solution of the equation $3x - 4y = k$,then find the value of $k$.

A
$1$
B
$2$
C
$0$
D
$4$

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If $(4, 3)$ is a solution of the equation $3x - 4y = k$,then find the value of $k$.

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The graph of $y=6$ is a line

Express the following linear equation in the form $ax + by + c = 0$ and indicate the values of $a, b$ and $c$ in each case: $6x - 5y = 4.2\overline{7}$

If $(2,3)$ is a solution of the equation $7x - 3y = a$ and $(a, a+1)$ is a solution of the equation $2x + y = b$,find the values of $a$ and $b$.

Give equations of four lines passing through the point $(3, 5)$.

How many solution$(s)$ of the equation $2x + 1 = x - 3$ are there on the:$(i)$ Number line$(ii)$ Cartesian plane

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How many solution$(s)$ of the equation $2x + 1 = x - 3$ are there on the:
$(i)$ Number line
$(ii)$ Cartesian plane