4/7a + 6/7a, a=-7 HELP ME!!!!!!!!!!

Question

4/7a + 6/7a, a=-7 HELP ME!!!!!!!!!!

Answer 1

4/7a + 6/7a, a=-7
4/7а+6/7а=(4+6)/7а=10/7а=(10•(-7))/7=-10
Оивт:-10

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Не за что))