Question

17) Resolva:
2(x+6) – 4 (x-2) < -7x
a) 7
b) 6
c) 5
d) 4

Answer 1

2 (x + 6 ) - 4 (x - 2) < - 7x
2x + 12 - 4x + 8 < - 7x
2x - 4x + 7x < - 8 - 12
5x < - 20
x < - 20/5
x < - 4

Não confere com nenhuma das alternativas.