Bantu 1. 2 | 4 - x | / | 6x - 7 | = 8 *tanda / artinya per 2. | 4x - 1 | - | 7- 2x | ≤ 0
Matematika
ujangusmann
Pertanyaan
Bantu
1. 2 | 4 - x | / | 6x - 7 | = 8 *tanda / artinya per
2. | 4x - 1 | - | 7- 2x | ≤ 0
1. 2 | 4 - x | / | 6x - 7 | = 8 *tanda / artinya per
2. | 4x - 1 | - | 7- 2x | ≤ 0
1 Jawaban
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1. Jawaban stefanigifta
[1] 2(4 - x) / (6x - 7) = 8
(8 - 2x) / (6x - 7) = 8
8 - 2x = 8(6x - 7)
8 - 2x = 48x - 56
8 + 56 = 48x + 2x
64 = 50x
x = 1,28
[2] (4x - 1) - (7 - 2x) ≤ 0
4x - 1 - 7 + 2x ≤ 0
6x - 8 ≤ 0
6x - 8 + 8 ≤ 0 + 8
6x ≤ 8
6x / 6 ≤ 8 / 6
x ≤ 1,333