DJS1147
DJS1147 DJS1147
  • 10-10-2016
  • Mathematics
contestada

Solve for x y=7x-7z-9
A)x=y-7z-9/7
B)x=y+7z+9/7
C)x=y+z+9/7
D)x=y-z-9/7

Respuesta :

texaschic101
texaschic101 texaschic101
  • 10-10-2016
y = 7x - 7z - 9
y + 7z + 9 = 7x
(y + 7z + 9) / 7 = x
Answer Link
Librocubicularist
Librocubicularist Librocubicularist
  • 10-10-2016
The answer is D. x=y-z-9/7
Answer Link

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