Question

Resolva as inequações:
A) 2x - 3 < 6
B) 3(x-7) + 2x < 10 - 4x
C) 7x +8 > 3x + 5
D) x/4 + 2x > 15
E) (₁/₂)x > 3/48
F) 56. (₁/₂)₃x < 7

Answer 1

A)2x - 3 < 6
2x< 9
x< 4,5

b)3x-21 +2x < 10-4x
9x < 31
x < 3,44...

c)7x + 8 > 3x +5
4x > -3
x > -0,75

d)x/4 + 2x > 15
x/4 + 8x/4 > 15
9x/4 > 15 
x > 60/9
x > 6,66..

e) x/2 > 3/48
x > 6/48
x > 1/8

f)56 . 3x/2 < 7
x < 7 . 2 / 168
x< 14/168
x < 1/12
x < 0,08...

^^ espero ter ajudado