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Solve the linear equations $3x + y = 14$ and $y = 2$ graphically.
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Sol.
Correct graph of $3x + y = 14$ (I) ($\frac{1}{2}$ Mark)
Correct graph of $y = 2$ (II) ($\frac{1}{2}$ Mark)
Correct solution: $x = 4, y = 2$ (III) (1 Mark)
Correct graph of $3x + y = 14$ (I) ($\frac{1}{2}$ Mark)
Correct graph of $y = 2$ (II) ($\frac{1}{2}$ Mark)
Correct solution: $x = 4, y = 2$ (III) (1 Mark)