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7x+9=-75 can someone please answer this I really need help

7x+9=-75 can someone please answer this I really need help
231k views
5 votes
7x+9=-75 can someone please answer this I really need help

User Den Kasyanov
by
8.3k points

1 Answer

5 votes

⇒I will use the additive inverse


7x+9-9=-75-9\\7x=-84\\(7x)/(7)=(-84)/(7) \\ x=-12

User Swysocki
by
8.7k points
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