persamaan mutlak 5|x+7|-2=18
Matematika
silentreader1
Pertanyaan
persamaan mutlak
5|x+7|-2=18
5|x+7|-2=18
1 Jawaban
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1. Jawaban dufana
5[x+7]-2 = 18
5x+35-2 = 18
5x + 33 = 18
5x = 18-33
15x = - 15
x = - 15/15
x = - 1