Question

8 + x =56
45 - x =30
son ecuaciones lineales​

Answer 1

8 + x = 56       x = 48

45 - x = 30      x = 15

Procedimiento · Ecuaciones ↓

→  8 + x = 56

   x = 56 - 8

   x = 48

→   45 - x = 30

    -x = 30 - 45

    -x = -15

     x = 15

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