2 log 5X-9 = 5 log 5X-9
Matematika
sasa578
Pertanyaan
2 log 5X-9 = 5 log 5X-9
1 Jawaban
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1. Jawaban asobri68
2 log 5X-9 = 5 log 5X-9 ----> +9
2 log 5X-9+9 = 5 log 5X-9+9
2 log 5X= 5 log 5X -------> -5 log 5x
2 log 5X-5 log 5x = 5 log 5X-5 log 5x
-3 log 5x = 0 -----------------> : -3
(-3 log 5x)/-3 = 0/-3
log 5x = 0
log 5x = log 1
5x = 1
x = 1/5