Politron Politron

04-11-2016
Mathematics

contestada

Solve:

x+y+z=4
x-y+4z=27
5x+y+z=16

A). No solution
B). (5,3,-4)
C). (3,-4,5)
D). (5,-4,3)

Respuesta :

Аноним Аноним

06-11-2016

I hope this helps you

y+z=4-x

5x+4-x=16

4x=12

x=3

x+y+z+x-y+4z=4+27

2x+5z=31

2.3+5z=31

5z=25

z=5

x+y+z=4

3+y+5=4

y=-4

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