Respuesta :

meredith48034

Answer:

Step-by-step explanation:

1. 3(9 - 3x)  - 3x  = 3

   27 - 9x - 3x = 3

   27 - 12x = 3

   -12x = -24

     x = 2

    y = 9 - 3(2) = 9 - 6 = 3

2. 4x - 8(1/2x + 6) = -48

    4x - 4x - 48 = -48

       -48 = -48

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