Given EQUATION is x + y = 0y = - x ______________________x | y = -x | ( x , y )______________________0 | y = 0 | ( 0 , 0 )______________________1 | y = -1 | ( 1 , - 1 )______________________4 | y = -4 | ( 4 , -4 )______________________THEREFORE ,( 0 , 0 ) , ( 1 , -1 ) and ( 4 , -4 ) are three SOLUTIONS of x + y = 0••••
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