(ISC)2 CCSP Certified Cloud Security Professional Official Study Guide, 2nd Edition

(ISC)2 CCSP Certified Cloud Security Professional Official Study Guide, 2nd Edition

Matematika pada sistem persamaan x+3y+z=13 2x+y+z=8 x+y+2z=10 hasil dari 4x+2y+3z adalah​

pada sistem persamaan x+3y+z=13 2x+y+z=8 x+y+2z=10 hasil dari 4x+2y+3z adalah​

Jawab:

19

Penjelasan dengan langkah-langkah:

x + 3y + z = 13

x + y + 2z = 10

______________

2y - z = 3

2x + 6y + 2z = 26

2x + y + z = 8

_________________

5y + z = 18

5y + z = 18

2y - z = 3

___________

7y = 21

y = 3

2y - z = 3

2(3) - z = 3

z = 3

2x + y + z = 8

2x + 3 + 3 = 8

x = 1

4x + 2y + 3z = 4(1) + 2(3) + 3(3) = 19

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