Black panthers definition

This is what it says if you easily looked it up on google: Black Panther is a 2018 American superhero film based on the Marvel Comics character of the same name. ... In Black Panther, T'Challa is crowned king of Wakanda following his father's death, but he is challenged by Killmonger (Jordan) who plans to abandon the country's isolationist policies and begin a global revolution. | more about it: After the death of his father, T'Challa returns home to the African nation of Wakanda to take his rightful place as king. When a powerful enemy suddenly reappears, T'Challa's mettle as king -- and as Black Panther  gets tested when he's drawn into a conflict that puts the fate of Wakanda and the entire world at risk. Faced with treachery and danger, the young king must rally his allies and release the full power of Black Panther to defeat his foes and secure the safety of his people.

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8 - (2a + 7) = a + 40     distribute/multiply - into (2a + 7)

8 - 2a - 7 = a + 40

1 - 2a = a + 40       add 2a on both sides

1 = 3a + 40         subtract 40 on both sides

-39 = 3a       divide 3 on both sides

-13 = a

[proof]

8 - (2a + 7) = a + 40

8 - (2(-13) + 7) = -13 + 40

8 - (-26 + 7) = 27

8 - (-19) = 27

8 + 19 = 27

27 = 27