NCERT Example 7 - Pair of Linear Equations in Two Variables

Question: Two rails are represented by the equations x + 2y – 4 = 0 and 2x + 4y – 12 = 0. Will the rails cross each other?

Answer: No, the rails will not cross each other as they are parallel.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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