owentrull owentrull
  • 11-11-2020
  • Mathematics
contestada

What is the most efficient way to solve this system of equations, and why?
3x+4y=-1
y=-x

Respuesta :

germaincruz255
germaincruz255 germaincruz255
  • 11-11-2020
The most efficient way to do this is by plugging in -x to y


Work:

3x+4(-x)=-1

3x-4x=-1

x=1
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