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                   7.  Solve the equation 2x   1 x   and represent the solution(s) on
                                                       3
                       (i) number line                               (ii) the Cartesian plane

                   8.  Give the geometrical representation of 2   + 9 = 0  as an equation in two
                       variables. Give two solutions of the equation from the graph.

                   9.  Give the geometrical representation of
                                                        3     − 6  = 2   − 7
                       as an equation  (i) in one variable        (ii) in two variables

                   10. Write an equation of a line passing through (–2, 6). How many more such lines
                       are there and why ?





























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