Question

(ii) log (x + 4) - log 7 = 3 log 2 - log (x + 5)
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Answer 1

Answer:

x=3

Step-by-step explanation:

log(x+4)-log7=3log2-log(x+5)

log((x+4)/7)=log((2^3)/(x+5))

(x+4)/7=8/(x+5)

8(x+4)=7(x+5)

8x+32=7x+35

8x-7x=35-32

x=3