persamaan nilai mutlak linier satu variabel |2x-1|=7
Matematika
krhisnaromtamziz
Pertanyaan
persamaan nilai mutlak linier satu variabel |2x-1|=7
2 Jawaban
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1. Jawaban Eli3173
2x - 1 = 7
2x = 7 + 1
2x = 8
x = 8 : 2
x = 4
2x - 1 = -7
2x = -7 + 1
2x = -6
x = -6 : 2
x = -3
hp = {-3, 4} -
2. Jawaban wayanaryana
selesaikan aja persamaan 2x-1=7 dan 2x-1 = -7
solusi x = 4 , x = -3