Reduce los términos semejantes de la siguiente expresión algebraica 3a-5a+8b-7a+19b ES URGENTEE
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Respuesta:
[tex] 3a-5a+8b-7a+19b = \\ (3a - 5a - 7a) + (8b + 19b) = \\ - 9a + 27b[/tex]