Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
EasyIf $2x + 3y = 7$ and $3x + 2y = 3$,then the value of $x + y$ is ..........
- A$10$
- B$4$
- C$6$
- D$2$
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Similar Questions
For which values of $p$ and $q$ will the following pair of linear equations have infinitely many solutions?
$4x + 5y = 2$
$(2p + 7q)x + (p + 8q)y = 2q - p + 1$
$4x + 5y = 2$
$(2p + 7q)x + (p + 8q)y = 2q - p + 1$
Difficult
View Solution$A$ two-digit number is obtained by either multiplying the sum of the digits by $8$ and adding $1$,or by multiplying the difference of the digits by $13$ and adding $2$. Find the number.
Medium
View SolutionThe digit at the ten's place is $4$ in a two-digit number,and the product of both the digits is four times greater than the digit at the ten's place. Find the number.
Difficult
View SolutionSubtraction of two numbers is $5$. If the larger number is $x$,then the smaller number is $y = \ldots \ldots \ldots \ldots$
Medium
View SolutionThe equation $3x - 2y + 5 = 0$ can be written as:
Easy
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