Respuesta :

nottinghama669

Answer:

-4

Step-by-step explanation:

m9359825moedledumy

Answer:

-4

Step-by-step explanation:

[tex]18 = 9x + 54 \\ 18 - 54 = 9x \\ - 36 = 9x \\ \frac{ - 36}{9} = x \\ - 4 = x[/tex]