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mardonsheva
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SOAL 1
___________________________________________
A + K + U = 10
T + A + K = 15
T + A + K + U + T = 22
U → 1
___________________________________________ A + K + 1 = 10
A + K = 10 - 1
A + K = 9
___________________________________________ T + A + K = 15
___________________________________________ T + A + K + 1 + T = 22
T + A + K + T = 22 -1
2T + A + K = 21
___________________________________________ A + K = 9
T + A + K = 15
____________ -
-T = -6
T = 6
___________________________________________
K + U + A + 6 = 22
K + U + A = 22 - 6
K + U + A = 16
___________________________________________
Jawaban:
Aljabar
A + K + U = 10 ... Persamaan (1)
T + A + K = 15 .. Persamaan (2)
T + A + K + U + T = 22 .. Persamaan (3)
U = 1 ... Persamaan (4)
A + K + U = 10
T + A + K = 15
------------------------ _
U - T = -5 .. Persamaan (5)
Karena nilai U sudah diketahui bahwa U = 1 , bisa kita substitusikan ke persamaan (5).
U - T = -5
-T = -5 - U
-T = -5 - 1
-T = -6
T = 6
Pada persamaan (1) dengan kata A + K + U = 10 → bisa kita ubah menjadi K + U + A = 10
Maka:
= K + U + A + T
Ingat nilai T adalah 6
= (A + K + U) + T
= 10 + 6
= 16
Jadi, hasil dari K + U + A + T adalah 16.