Question

alguém sabe resolver?

x+1/2<5+x

Answer 1

x + 1
---------   < 5 + x
     2

x + 1 < 2.(5 + x)
x + 1 < 10 + 2x
x - 2x < 10 - 1
- x < 9 ( - 1)
x > - 9

R.: {x ∈ R / x > - 9}