brysonwhaley56
brysonwhaley56
09-02-2018
Mathematics
contestada
-7 - x = 3
[tex] - 7 - x = 8[/tex]
Respuesta :
Jr04
Jr04
13-02-2018
[tex]-7-x= 3 \\ \\ -x= 3+7\quad \to -x= 10\to \boxed{x=10} \\ \\ \\ -7-x= 8 \\ \\ -x= 8+7\quad -x= 15\to \boxed{x= -15} [/tex]
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