Question

Log2 (×+1)- log2 (×-4)=3 conta

Answer 1

Log2 (×+1)- log2 (×-4)=3

Log2 (×+1)/(×-4)=3

(×+1)/(×-4) = 2³

(×+1)/(×-4) = 8

8(x-4) = (x+1)

8x-32 = x+1

8x -x =1 +32

7x = 33

x = 33/7