hannahgracer99
hannahgracer99 hannahgracer99
  • 07-04-2017
  • Mathematics
contestada

If the following system of equations was written as a matrix equation in the form AX = C, and matrix A was expressed in the form [a c b d] , find the value of a - b + c + d.
5x + 7y = 7
3x - 2y = 9

My main problem is understanding which numbers are a, b, c, and d.

Respuesta :

TheHero
TheHero TheHero
  • 07-04-2017
That's what I came up with. Still not sure of my answer. 
Ver imagen TheHero
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