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Verified answer
3x - y + 2z = 152x + y + z = 13
3x + 2y + 2z = 24
2x + y + z = 13
z = 13 - 2x - y
3x - y + 2z = 15
3x - y + 2(13 - 2x - y) = 15
3x - y + 26 - 4x - 2y = 15
- x - 3y = 15 - 26
- x - 3y = - 11
3x + 2y + 2z = 24
3x + 2y + 2(13 - 2x - y) = 24
3x + 2y + 26 - 4x - 2y = 24
- x = 24 - 26
- x = - 2
x = 2
- x - 3y = - 11
- 2 - 3y = - 11
- 3y = - 11 + 2
- 3y = - 9
y = 3
z = 13 - 2x - y
z = 13 - 4 - 3
z = 6
Maaf Kalau Salah