Jika 3x + 12 = 7x - 8, maka x = ...
Matematika
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Pertanyaan
Jika 3x + 12 = 7x - 8, maka x = ...
2 Jawaban
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1. Jawaban pika
[tex]3X-7X=-8-12 \\ -4X=-20 \\ X= \frac{-20}{-4} \\ X=5[/tex] -
2. Jawaban PositiveThinking
3x +12 = 7x - 8
3x - 7x = -8 - 12
-4x = -20
x = -20/-4
x = 5
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