Penjelasan dengan langkah-langkah:
Persamaan Linier 3 Variabel (SPLTV)
• 10 + A = B
• B - C = 10
• A - C = 0
Mengubah bentuk persamaan 1
10 + A = B
a - b = -10
a = -10 + b
Maka nilai A = -10 + b
Mencari nilai C dengan subsitusi
a - c = 0
-10 + b - c = 0
b - c = 10
- b + c = -10
C = -10 + b
Maka niali C = -10 + b
Mencari nilai B dengan subsitusi
(-10 + b )- (-10+b) = 0
0 = 0
Maka niali B harus B supaya memenuhi pernyataan
Maka (A,B,C) = (-10 + b , b , -10 + b)
Pembuktian persamaan
1. 10 + A = B
Subsitusikan nilai A = -10 + b
10 + (-10 + b )
10 - 10 + b
0 + b
b ......Terbukti 10 + A = B
2. B - C = 10
Subsitusikan c = -10 + b
b - (-10 + b )
b + 10 - b
(b - b) + 10
0 + 10
10......terbukti B - C = 10
10 + A = B ••••• (1)
B - C = 10
B = C + 10 •••••• (2)
A - C = 0
A = C
(1) = (2)
10 + A = C + 10
B - 0 = 10
B = 10
jadi....
A = C = 0
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Penjelasan dengan langkah-langkah:
Persamaan Linier 3 Variabel (SPLTV)
• 10 + A = B
• B - C = 10
• A - C = 0
Mengubah bentuk persamaan 1
10 + A = B
a - b = -10
a = -10 + b
Maka nilai A = -10 + b
Mencari nilai C dengan subsitusi
a - c = 0
-10 + b - c = 0
b - c = 10
- b + c = -10
C = -10 + b
Maka niali C = -10 + b
Mencari nilai B dengan subsitusi
a - c = 0
(-10 + b )- (-10+b) = 0
0 = 0
Maka niali B harus B supaya memenuhi pernyataan
Maka (A,B,C) = (-10 + b , b , -10 + b)
Pembuktian persamaan
1. 10 + A = B
Subsitusikan nilai A = -10 + b
10 + (-10 + b )
10 - 10 + b
0 + b
b ......Terbukti 10 + A = B
2. B - C = 10
Subsitusikan c = -10 + b
b - (-10 + b )
b + 10 - b
(b - b) + 10
0 + 10
10......terbukti B - C = 10
Penjelasan dengan langkah-langkah:
10 + A = B ••••• (1)
B - C = 10
B = C + 10 •••••• (2)
A - C = 0
A = C
(1) = (2)
10 + A = C + 10
A - C = 0
B - 0 = 10
B = 10
jadi....
A = C = 0
B = 10