Question

16- resolva as seguintes inequacoes.B)2×+×-1>0 C)-2×<5

Answer 1

Vamos lá

B ) 2X + X - 1 > 0

2X + X > 0 + 1

3X > 1

X > 1 / 3

S { 1 / 3 }

B ) - 2X < 5

X < - 5 / 2

S { - 5 / 2 }