Matematika

Pertanyaan

Tentukan nilai x dari persamaan linier nilai mutlak berikut
a. |2x| - |x - 2| = 0
b. |x| + |x - 1| = 0
c. |-4| X |5x + 6| = |10x - 8| per 2
d. 2x + |8 - 2x| = |x - 4|
e. |2x| - |x - 3| + |2x + 1| = 0
f. 5 |2x - 3| = 2 |3 - 5x|

1 Jawaban

  • a |2x| - |x - 2| = 0
    2x - x - 2 = 0
    x - 2 = 0
    x = 0 + 2
    x = 2
    b |x| + |x - 1| = 0
    x + x - 1 = 0
    2x - 1 = 0
    2x = 0 + 1
    2x = 1
    x = ½

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