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  • 03-12-2018
  • Mathematics
contestada

How to solve y in -(y+9)=10

Respuesta :

WhiteBoar WhiteBoar
  • 03-12-2018

Answer:


Step-by-step explanation:

- (y+9) = 10


Multiply through by -1 gives us


y+9 = -10


Subtract 9 from both sides


y = -19


That's your answer.


If you work it through it satisfies the equation.


That is:


- (-19 +9) = 10


-(-10) = 10


10 = 10


Boo ya!

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