Question

1)Resolva as inequaçoes,considerando X um numero racional

a)4(x+3)>2(x-1)

b)3-(x+2)>2.(2x+4)

c)5x-(x-2)<_menor ou igual a 6

d)7(x-2)<2(3x+4)

Answer 1

a) 4x+12>2x-2
4x-2x>-2-12
2x>-14
x>-14/2
x>-7