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For each graph given below, four linear ...

For each graph given below, four linear equations are given. Out of these find the equation that represents the given graph.
(i) Equations are
(A) y = x
(B) x + y = 0
(C) y = 2x
(D) 2 + 3y = 7x
(ii) Equations are
(A) y = x + 2
(B) y = x - 2
(C) y = -x + 2
(D) x + 2y = 6

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