Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
MediumBy the method of substitution,solve the following pair of linear equations: $3x - 7y = 18, 6x - 14y = 12$.
- A$(1, 3)$
- B$(2, 5)$
- C$(7, 1)$
- D$\varnothing$
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Similar Questions
Solve the following pair of equations by the method of cross multiplication:
$x + y - (a + b) = 0$
$ax - by - (a^2 - b^2) = 0$
$x + y - (a + b) = 0$
$ax - by - (a^2 - b^2) = 0$
Difficult
View SolutionThe equation of a line which is parallel to the line $x+3y=5$ is $\ldots \ldots \ldots \ldots$
Easy
View SolutionFor the pair of equations $\lambda x + 3y = -7$ and $2x + 6y = 14$ to have infinitely many solutions,the value of $\lambda$ should be $1$. Is the statement true? Give reasons.
Difficult
View SolutionDetermine,graphically,the vertices of the triangle formed by the lines $y=x$,$3y=x$,and $x+y=8$.
Difficult
View SolutionIf $x=a$ and $y=b$ is the solution of the equations $x-y=2$ and $x+y=4,$ then the values of $a$ and $b$ are,respectively:
Medium
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