The solution of x + y = 10 and x − y = 4 is
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Answer and explanation
Answer: A. x = 7, y = 3
Adding the equations gives 2x = 14, so x = 7 and y = 3.
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Class 10 · Mathematics · Mathematics
3. Pair of Linear Equations in Two Variables
A pair of linear equations with infinitely many solutions is shown on a graph by
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Answer and explanation
Answer: C. coincident lines
Coincident lines lie on top of each other, so every point is a common solution.
Open this question →The sum of two numbers is 20 and their difference is 6. The larger number is
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