Question

Resolva as equaçoes: -4×-15>3

Answer 1

- 4x - 15 > 3
- 4x > 3 + 15
- 4x > 18 (-1)
4x < - 18
x < - 18   (:2)
       -------
         4    (:2)

x < - 9/2


R.: {x E R / x < - 9/2}

Answer 2

Resolução:

-4x-15>3
-4x>3+15
-4x>18
4x<-18
x<-18/4÷ 2=-9/2
x< - 9/2

Bons estudos :=)