Class 10MathematicsPair of Linear Equations in Two VariablesMix Examples - Pair of Linear Equations in Two Variables
EasyFor the linear equation in two variables $3x + 2y = 8$,if the value of $x$ is $-2$,then $y = \dots$
- A$-5$
- B$-7$
- C$7$
- D$2$
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Similar Questions
Given below is a graph showing two lines. Which of the following statements is true about the solution$(s)$ of the pair of equations represented by these lines?
Medium
View SolutionObtain the solution of the following pair of equations by elimination method:
$\frac{11}{y} - \frac{7}{x} = 1, \, \frac{9}{y} - \frac{4}{x} = 6$; $x \neq 0, \, y \neq 0$
$\frac{11}{y} - \frac{7}{x} = 1, \, \frac{9}{y} - \frac{4}{x} = 6$; $x \neq 0, \, y \neq 0$
Medium
View SolutionSolve the following pair of linear equations using the cross-multiplication method:
$5x + 2y = 10$
$4x + 3y - 1 = 0$
$5x + 2y = 10$
$4x + 3y - 1 = 0$
Easy
View SolutionIf a pair of equations $3x + ky - 9 = 0$ and $x + 2y - 3 = 0$ has infinite solutions,then $k = \ldots$
Medium
View SolutionFour years ago,the sum of the ages of four persons was $40$ years. After two years,the sum of the ages of the same four persons will be ............ years.
Medium
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