Question

Resolva as inequções seguintes:

a) 5x + 10 > 3x - 2 b) x < - 2x + 12 c)x - 1 > x - 5

Answer 1

Resposta:

a)5x + 10 > 3x - 2

5x-3x>-2+10

2x>8

x>8/2

x>4

b) x < - 2x + 12

x+2x<12

3x<12

x<12/3

x<4

c)x - 1 > x - 5

x+x>-5+1

2x>-4

x>-4/2

x>-2