Question

Resolver 2.(x+1) + 3x > 5 – 7x

Answer 1

Bom dia.

Resolução:

2(x + 1) + 3x > 5 - 7x

2x + 2 + 3x > 5 - 7x

2x + 3x - 7x > 5 - 2

5x + 7x > 5 - 2

12x > 3

x > 3 / 12

x > 1/4

S { 1/4 }

Answer 2

Oi...

2(x + 1) + 3x > 5 – 7x

2x + 2 + 3x > 5 - 7x

5x + 2 > 5 - 7x

5x + 7x > 5 - 2

12x > 3

x > 3/12 ÷ 3

x > 1/4

x ∈ |R / x > 1/4

Boas lições.