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
If $(x, -1)$ is the solution of the linear equation of two variables $3x - y = 7$,then $x = \ldots$
Easy
View SolutionIf $7x - 9y = 25$ and $9x - 7y = 23$,then $x + y = \dots$
Medium
View SolutionThe father's age is six times his son's age. Four years hence,the age of the father will be four times his son's age. The present ages,in years,of the son and the father are,respectively
Medium
View SolutionSolve the following pairs of equations by cross-multiplication method:
$3x + y = 5$
$5x + 3y = 3$
$3x + y = 5$
$5x + 3y = 3$
Easy
View SolutionUse the method of elimination to find the solution of the following pair of linear equations: $2x + y = 4$ and $x + 3y = 7$.
Medium
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