Respuesta :

Plug in 0.9 for x

-(x) + 2.7

- (0.9) + 2.7

simplify

2.7 - 0.9 = 1.8

1.8 is your answer

hope this helps
Creati
Hey!

x = 0.9
-x = -0.9

-0.9 + 2.7 ⇒ 2.7 - 0.9 

2.7 - 0.9 = 1.8

Answer ⇒ 1.8

Hope this helps! :)