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Write Four Solutions for the Following Equation:- 2x + y = 7 - Mathematics

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Write four solutions for the following equation:- 2x + y = 7

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Solution

2x + y = 7

For x = 0,

2(0) + = 7

⇒ = 7

Therefore, (0, 7) is a solution of this equation.

For = 1,

2(1) + y = 7

⇒ y = 5

Therefore, (1, 5) is a solution of this equation.

For x = −1,

2(−1) + y = 7

⇒ y = 9

Therefore, (−1, 9) is a solution of this equation.

For = 2,

2(2) + y = 7

y = 3

Therefore, (2, 3) is a solution of this equation.

Concept: Solution of a Linear Equation
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APPEARS IN

NCERT Class 9 Maths
Chapter 4 Linear Equations in two Variables
Exercise 4.2 | Q 2.1 | Page 70

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