Question

b + 8 > 4 =

X + 5 > 3x + 3 =

-3x + 2 > 5 =

2x - 4 (x - 2) < 5 - (x + 1)

Answer 1

Resposta:

a) b > 4 - 8

b > - 4

b) x - 3x > 3 - 5

- 2x > - 2 .(-1)

2x < 2

x < 2/2

x < 1

c) - 3x > 5 - 2

- 3x > 3 .(-1)

3x < 3

x < 3/3

x < 1

d) 2x - 4x + 8 < 5 - x + 1

2x - 4x + x < 5 + 1 - 8

- x < - 2 .(-1)

x > 2