- 9th
- Maths
- Linear Equations in Two Variable
- Solution of Linear Equations in Two Variables

Linear Equations in Two Variable

Maths

Class 9

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In a examination, a student attempted 15 questions correctly and secured 40 marks. If there were two types of questions i.e. of 2 marks and 4 marks, how many questions of 2 marks did he attempt correctly ?

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If $(x,y)$ is the solution to the system of equations above, what is the value of $y$?

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$∣x∣+2∣y∣=3,5y+7x=2$

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Mohan gets four correct and six incorrect answer. What is his score?

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$x+y=3,2x+5y=12$

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