1. 4x+3y=10 2x+3y=15 2. 2x+4y=10 3x+7y=12 3. 3x + 2y=4 2x + 4y=10
Fisika
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Pertanyaan
1. 4x+3y=10
2x+3y=15
2. 2x+4y=10
3x+7y=12
3. 3x + 2y=4
2x + 4y=10
2x+3y=15
2. 2x+4y=10
3x+7y=12
3. 3x + 2y=4
2x + 4y=10
1 Jawaban
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1. Jawaban Darksimple
1 4x + 3y = 10 |×2| 8x + 6y = 20
2x + 3y = 15 |×4| 8x + 12y = 10
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x - 6y = 10
-6y = 10
y = 10/-6
4x + 3y = 10
4x + 3(10/-6) = 10
4x - 5 = 10
4x = 10 + 5
4x = 15
x = 15/4