Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
EasyFor eliminating $y$ from the equations $3x - 2y = 1$ and $5x + y = 6$,the second equation should be multiplied by
- A$1$
- B$3$
- C$2$
- D$4$
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Similar Questions
For a pair of equations $2x + 3y = 1$ and $3x - 2y = 8$,in usual notations $a_{1}b_{2} - a_{2}b_{1} = \dots$
Medium
View SolutionSolve the following pair of linear equations by the method of substitution: $x + y = 7$ and $5x + 12y = 7$.
Medium
View SolutionSolve the following pairs of equations by the cross-multiplication method:
$4x + 6y = 11$
$5x - 8y = 6$
$4x + 6y = 11$
$5x - 8y = 6$
Medium
View SolutionSolve the following pairs of equations:
$\frac{1}{2x} - \frac{1}{y} = -1$
$\frac{1}{x} + \frac{1}{2y} = 8, \quad x, y \neq 0$
$\frac{1}{2x} - \frac{1}{y} = -1$
$\frac{1}{x} + \frac{1}{2y} = 8, \quad x, y \neq 0$
Difficult
View SolutionIf the sum and the product of the digits of a two-digit number are the same,then the number is $\ldots \ldots \ldots \ldots$
Medium
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