Question

log de 2 (x+30) -log2( x+2) =3​

Answer 1

log2 (x+30) -log2 ( x+2) =3

log2 (x+30)/(x+2) = 3

(x+30)/(x+2) = 2³

(x+30)/(x+2) = 8

8(x+2) = (x+30)

8x+16 = x+30

8x -x = 30 -16

7x = 14

x = 2