brookjoaa750 brookjoaa750
  • 12-09-2019
  • Mathematics
contestada

The following system has no solution.
x+y+z= 15
2x+z = 1
27-z=7
true or false

Respuesta :

BasketballEinstein
BasketballEinstein BasketballEinstein
  • 16-09-2019

Answer:

False

Step-by-step explanation:

Let us start with the most obvious one:

27 - z = 7

-27 - 27

_________

-z = -20

z = 20 [Plug this back into the other two equations to get the y-coordinate and x-coordinate of 4½ and -9½]; 4½ = y; -9½ = x

So, the solution is [-9½, 4½, 20].

I am joyous to assist you anytime.

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