Respuesta:
Reducimos;
[tex]15u - (4u + 9t) - (7u - 9t)[/tex]
[tex]15u - 4u - 9t - 7u + 9t[/tex]
[tex] = 4u[/tex]
Respuesta inciso A
Saludos
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Respuesta:
hola ;
Reducimos;
[tex]15u - (4u + 9t) - (7u - 9t)[/tex]
[tex]15u - 4u - 9t - 7u + 9t[/tex]
[tex] = 4u[/tex]
Respuesta inciso A
Saludos