Question

resolva as inequacoes e de o conjunto solucao no conjunto dos numeros inteiros. a)2(x+3)<4(x-1). b)5x>x-2+2x

Answer 1

2(x+3) < 4(x-1)
2x+6<4x -4
2x-4x< -4-6
-2x< -10
x< -10/-2
x<5

5x>x-2+2x
5x-x-2x>-2
4x-2x>-2
2x>-2
x>-2/2
x>-1