Question

Qual o valor x na inequação 2(x-5)<-6+4(3x-12) ??

Answer 1

2.(x - 5) < - 6 + 4.(3x - 12)
2x - 10 < - 6 + 12x - 48
2x - 10 < - 54 + 12x
- 10 + 54 < 12x - 2x
44 < 10x
10x > 44 (:2)
5x > 22
x > 22
      5

R.: {x ∈ R / x > 22/5}