resuelva las siguientes sustracciones
1 De 4a + 3b-5c restar 6a-9b-8c
1 De 4a + 3b-5c restar 6a-9b-8c
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Explicación paso a paso:
4a + 3b-5c
-6a+9b+8c
-2a+12b+3c
Respuesta:
(4a) (-6ª) = -2a
(3b) (+9b) = 12b
(-5c) (+8c) = 3c