Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
EasySolve the following pairs of equations by the method of elimination:
$5x - 3y = 1$
$2x + 5y = 19$
$5x - 3y = 1$
$2x + 5y = 19$
- A$(2, 3)$
- B$(-2, 1)$
- C$(1, 4)$
- D$(2, 3)$
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Similar Questions
Do the following equations represent a pair of coincident lines? Justify your answer.
$3x + \frac{1}{7}y = 3$
$7x + 3y = 7$
$3x + \frac{1}{7}y = 3$
$7x + 3y = 7$
Medium
View SolutionIf the lines given by $3x + 2ky = 2$ and $2x + 5y + 1 = 0$ are parallel,then the value of $k$ is
Medium
View SolutionFor which values of $a$ and $b$ does the following pair of linear equations have infinitely many solutions?
$x + 2y = 1$
$(a - b)x + (a + b)y = a + b - 2$
$x + 2y = 1$
$(a - b)x + (a + b)y = a + b - 2$
Difficult
View SolutionThe line represented by $x=7$ is parallel to the $x$-axis. Justify whether the statement is true or not.
Medium
View SolutionSolve the following pairs of equations by the method of elimination:
$9x + 7y = 55$
$7x + 9y = 57$
$9x + 7y = 55$
$7x + 9y = 57$
Easy
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