September 2018 1 8 Report
Gunakan metode grafik untuk menyelesaikan SPLDV berikut.
1. y +x = 28
x = 3y

2. x + 4y = 2
y = 5 - x

3. 5a + b = 15
a + b = 7

4. 7x - 12y = 10
x + 4y = 9

5. 9x - 12y = 11
2x - 6y = 5

6. 18x + 5y = -2
3x + y = 8
Mohon dibantu ya makasih
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