Respuesta :

sorayavitoria987

Answer:

Resposta:

x = 1

Explication

10x – 9 = x *

10x - x = + 9

9x = 9

x = 9 / 9

x = 1

S= { 1 }

liyomonal

Answer:

x< -9

Step-by-step explanation:

-5x>10+20+15

-5x>45

-5x/-5<45/-5

x<-9

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