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14 - 2 = x
12 = x
Respuesta.
x = 2
17= - x = 14
x = 14 - 17
x = - 3
Respuesta.
x = - 3
x - 8 =-2
x = - 2 + 8
x = 6
Respuesta.
x = 6
35 = 5x
35/5 = x
7 = x
x = 7
Respuesta.
x = 7
x/2 + 5 x = 21
(x + 2 * 5x)/2 = 21
(x + 10x)/2 = 21
x + 10x = 2 (21)
11x = 42
x = 42/11
Respuesta.
x = 42/11