Question

ajuda - me

5 x - 9 (2 - x ) >0

Answer 1

Ola Thayane

5x - 18 + 9x > 0

14x > 18

x > 9/7

.

Answer 2

e assim:

5x-18-9x=0

5x-9x=0+18

-4x=+18

-x=18.4

x=18.4 (1)

x=18 dividido por 4