4x+2y=34000 3x+y=23000 5x+7y=
Matematika
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Pertanyaan
4x+2y=34000
3x+y=23000
5x+7y=
3x+y=23000
5x+7y=
2 Jawaban
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1. Jawaban satriabr2002
[tex]4x + 2y = 34000 \\ 6x + 2y = 46000 \\ 2x = 12000 \\ x = 6000 \\ 4(6000) + 2y = 34000 \\ 24000 + 2y = 34000 \\ 2y = 34000 - 24000 \\ y = 5000 \\ 5x + 7y = \\ 5(6000) + 7(5000) = 30000 + 35000 \\ 5x + 7y = 65000[/tex] -
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