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what is x + y = 3

How do you find the answer for x + y = 3

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Parviz F. | Mathematics professor at Community CollegesMathematics professor at Community Colle...
4.8 4.8 (4 lesson ratings) (4)
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 What answer:
 
    Maybe graph:
 
       X + Y = 3
 
       X intercept :  X+0 = 3  
 
       Y intercept : 0 + y = 3
 
       Intercepts are :    ( 0,3) , ( 3,0)
       
       Connect them and extend will be the graph.
          
               Y = -x +3      Slope = -1 , Y intercept= 3