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The lines and are plotted on the same axes.
Looking carefully, what do you observe and how many solutions are there?

Class 10Graphical MethodAlgebra — Systems of Equations
  • AThe lines coincide; infinitely many solutions
  • BThe lines are parallel; no solution
  • CThe lines cross once; one solution
  • DThe lines cross twice; two solutions

Step-by-Step Solution

Dividing by 2 gives , the same line. They coincide, so infinitely many solutions.
Answer: A) The lines coincide; infinitely many solutions

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