Selesaikanlah persamaan nilai mutlak |2x-3|+15=20
Matematika
Davidsalivi28042002
Pertanyaan
Selesaikanlah persamaan nilai mutlak |2x-3|+15=20
1 Jawaban
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1. Jawaban Ayuu117
|2x-3|+15=20
<=> 2x-3 = 20-15
<=> 2x-3 = 5
<=> 2x = 5+3
<=> 2x = 8
<=> x = 8:2
<=> x = 4