Question

c) 3(x + 1) + 4(x + 2) < 2(1 - x)​

Answer 1

Explicação passo-a-passo:

3(x + 1) + 4(x + 2) < 2(1 - x)

3x + 3 + 4x + 8 < 2 - 2x

3x + 4x + 2x < 2 - 3 - 8

9x < - 9

x < - 9/9

x < - 1

S = {x∈R/x < - 1}