tentukan himpunan penyelesaian dari x + y = -3 dan 2x - 2y = 10!
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Jawaban:
x+y = -3 |×2| 2x + 2y = -6
2x-2y = 10 |×1| 2x -2y = 10
4y = -16
y = -4
x+y = -3
x -4 = -3
x = -3+4
x = 1
x+y = -3 |x2| 2x + 2y = -6 y = -4
2x-2y = 10 |x1|2x -2y = 10
4y = -16
x+y = -3
x -4 = -3
x = -3+4
x = 1
SEMOGA BERMANFAAT
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