Solve the equation $3 x-1=x+7$ and represent the solution(s) on $(1)$ the number line $(2)$ the Cartesian plane.
$x=4$
The equation $2 x+5 y=7$ has a unique solution, if $x, y$ are :
The point of the form $(a, a)$ always lies on:
Find the points where the graph of the equation $3 x+4 y=12$ cuts the $x$ -axis and the $y$ -axis.
If the point $(2,3)$ lies on the graph of the equation $3 x+a y=18,$ find the value of $a$.
State whether each of the following statements is true or false
The graph of equation $3 x=4 y$ is a line passing through the origin.
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