Question

b) 5x + 4 > 4x – 3x + 4

c) 3 ( 3x – 1) > 2 (3x + 2)

d) 5x - 3 ( x+2) < 16

Answer 1

b) 5x - 4x + 3x > -4 + 4

4x > 0

x=0

c) 9x - 3 > 6x + 4

9x -6x > 4+3

3x > 7

x > 7/3

d) 5x² +10x -3x-6 < 16

5x² +7x -6 -16

5x² + 7x -22

só realizar Bhaskara agora

Answer 2

Explicação passo-a-passo:

b) 5x+4>4x-3x+4

5x-4x+3x>4-4

4x>0

x>0/4

x>0

c)3(3x-1)>2.(2x+2)

9x-3>4x+4

9x-4x>4+4

5x>8

x>8/5

d)5x-3.(x+2)<16

5x-3x-6<16

2x<16+6

2x <22

x<22/2

x<11