Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
MediumIf $y = \frac{1}{2} x$ and $x + 2y = 8$,then $x = \dots$
- A$2$
- B$-2$
- C$4$
- D$-4$
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Similar Questions
In a two-digit number,the digit at unit's place is $x$ and the digit at ten's place is $y$. The number obtained by interchanging the digits is ...........
Easy
View SolutionIf the following pair of equations has infinite solutions,then find the value of $k$:
$5x + 2y = k$
$10x + 4y = 3$
$5x + 2y = k$
$10x + 4y = 3$
Medium
View SolutionIf $7x - 9y = 25$ and $9x - 7y = 23$,then $x + y = \dots$
Medium
View SolutionSolve the following pair of linear equations by the method of substitution: $x + 11y = 1$ and $8x + 13y = 2$.
Medium
View SolutionThe solution set of $x+y-3=0$ and $3x+3y-9=0$ is ............
Easy
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