Question

pasar a lenguaje simbólico ​

Answer 1

Respuesta:

a. 8 + (-15) = -7

b. 7 × (-4) = -28

c. (2 × (-13)) + 1 = (-26) + 1 = -25

d. x + 2(x - 1) = 28      

   x + 2x - 2 = 28

   3x - 2 = 28

   3x = 30

   x = 10

e. 2x + 3(x + 28) = 0

   2x + 3x + 84 = 0

   5x + 84 = 0

   x = -16.8