Question

ecuacion - 63 < -3 (8 - (9-5x/2)) < -33
porfa aydenme resolviendo
a) - 7 < x < - 3
b) 3 < x < 7
c) 9 < x< 21
d) -21 < x < - 9

Answer 1

a) ( -6,-5, -4)
b) (4,5,6)
c) (10, 11, 12 ,13, 14,15,16,17,18,19,20,21)
d) (-20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-10)