nilai x memenuhi nilai mutlak. |2x-1|=7
Matematika
anlidrag
Pertanyaan
nilai x memenuhi nilai mutlak. |2x-1|=7
2 Jawaban
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1. Jawaban Anonyme
NiLai MutLak
|2x - 1| = 7
2x - 1 = 7 atau 2x - 1 = -7
2x - 1 = 7
2x = 8
x = 4
2x - 1 = -7
2x = -6
x = -3
Nilai x yg memenuhi :
x = -3 dan x = 4 -
2. Jawaban huwaida2
2x-1=7
2x=7+1
x= 8/2
x=4
2x-1=-7
2x=-7+1
x=-6/2
x=-3
hp= -3, 4