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Draw the graph of the equation y - 2x = ...

Draw the graph of the equation y - 2x = 4 and then answer the following.
(i) Does the point (2, 8) lie on the line? Is (2, 8) a solution of the equation? Check by substituting (2, 8) in the equation.
(ii) Does the point (4, 2) lie on the line? Is (4, 2) a solution of the equation? Check algebraically also.
(iii) From the graph find three more solutions of the equation and also three more which are not solutions.

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