Tolonggg yaaa kak plessss :)
Penjelasan dengan langkah-langkah:
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|4x + 2| = |x - 1|
4x + 2 = x - 1
4x + 2 = - (x - 1)
4x + 2 = x - 1
4x - x = - 1 - 2
3x = - 3
x = -3/3
x = - 1
4x + 2 = - (x - 1)
4x + 2 = - x + 1
4x + x = 1 - 2
5x = - 1
x = - 1/5
HP = {-1, -1/5}
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