roxannerivera roxannerivera
  • 09-12-2019
  • Mathematics
contestada

Given matrix Y = [4,8,-3,-6] and matrix Z = [-1,-2,7,2]. What is matrix X if 1/2(X+Z)=Y?

Respuesta :

opudodennis
opudodennis opudodennis
  • 15-12-2019

Answer:

[9,14,-13,-14]

Step-by-step explanation:

if 1/2(X+Z)=Y

X+Z=2Y

X+Z=2([4,8,-3,-6])=[8,16,-6,-12]

X=2Y-Z

X=[8,16,-6,-12]-[-1,-2,7,2]=[9,14,-13,-14]

X=[9,14,-13,-14]

Answer Link
campfaith1225
campfaith1225 campfaith1225
  • 29-06-2020

Answer:  [9,18,-13,-14]  

Answer Link

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