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Identify the solution of the system -3x -4y=2
8y=-6x-4


Sagot :

-3x - 4y = 2
8y = -6x - 4
 8          8
   y = -0.75x - 0.5

-3x - 4(-0.75x - 0.5) = 2
-3x + 3x + 2 = 2
0x + 2 = 2
     - 2  - 2
      0x = 0
       0    0
         x = 0
-3(0) - 4y = 2
       0 - 4y = 2
     - 0        - 0
           -4y = 2
            -4   -4
               y = 0.5
         (x, y) = (0, 0.5)