mandychallisosbmjy mandychallisosbmjy
  • 23-07-2017
  • Mathematics
contestada

if x + y = 8 find the value of y when x = -1

Respuesta :

rachels15 rachels15
  • 23-07-2017
Your answer would be y=9
Answer Link
Noah11012
Noah11012 Noah11012
  • 23-07-2017
First, replace x with the value of x.

x + y = 8 becomes -1 + y = 8

Solve for y.

-1 + y = 8
y = 9 <-- Add 1 to each side

So, y is equal to 9.
Answer Link

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