Jika 6 - 1/3 (3x - 9) = 1/2 (8x + 20) maka nilai 2x - 10 adalah
Matematika
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Pertanyaan
Jika 6 - 1/3 (3x - 9) = 1/2 (8x + 20) maka nilai 2x - 10 adalah
2 Jawaban
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1. Jawaban violincantika
6 - 1/3 (3x - 9) = 1/2 (8x + 20)
6 - x + 3 = 4x + 10
-x + 9 = 4x + 10
-x - 4x = 10 - 9
-5x = 1
x = -1/5
2x - 10
2(-1/5) - 10
-2/5 - 10
-10 2/5 -
2. Jawaban jenersonotniel
6- 1/3(3x -9) = 1/2(8x+20)
6 - x + 3 = 4x + 10
-x + 9 = 4x + 10
-x - 4x = 10-9
-5x = 1
x = (-1/5)
Karena x = (-1/5) maka nilai dari 2x -10
= 2(-1/5) - 10
= (-2/5)-10
= (-2-50)/5
= -52/5