Respuesta :

Answer: x = -1

Step-by-step explanation:

Answer:

[tex]-1[/tex]

Step-by-step explanation:

[tex]\frac{8.7+x}{1.1} = 7[/tex]

[tex]8.7 + x = 7.7[/tex]

[tex]x = -1[/tex]

[tex]\therefore[/tex] the value of [tex]x[/tex] is [tex]-1[/tex]

Hope this helps!