Question

resuelve: x-4<2x-7≤-x+14

Answer 1

x - 4 < 2x - 7. ^. 2x - 7 ≤ - x + 14

x - 2x. < -7+4. 2x. + x. ≤. 14 + 7

- x < - 3 3x. ≤. 21

(-1)(-x) < (-3)(-1). x ≤21/3

x. > 3. ^. x. ≤. 7

C.S. < 3 ; 7 ]

eso es. todo :D

SALUDOS!!