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  1. Complete the following tables for the equations:
    1. y = 5x – 7
    2. y = 9 – 3x
      Table 1
         x   −2       −1     0   1 
         y      −12   −2 
       (x,y)   (−1,−12)  (0,−7)  

      Table 2
         x       −2       −1     0  1 
         y      15        6
       (x,y)  (−2, 15)   (0,9)  
  2. On the same grid, draw the graphs of: 
    1. y = 5x – 7
    2. y = 9 – 3x
  3. Use your graphs to solve the following simultaneous equations. 
    5x – y = 7
    3x + y = 9

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  1.  
    Table 1
       x        −2       −1     0    1 
       y      −17      −12    −7  −2
     (x,y)  (−2, −17)  (−1,−12)  (0,−7)  (1,−2) 

    Table 2
       x       −2   −1     0    1 
       y      15  12     9   6
     (x,y)  (−2, 15)  (−1,12)  (0,9)  (1,6)
  2.  
    compressed image F1ET1mathAns20
  3. solution point of intersection
    x=2
    y=3
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