Latest exam Aptitude Question SOLUTION: Solve for x: (A.) Log(base 5)7 + log(base 5)8 = log(base 5)(2x-4) (B.) Log(base 3) (x+1) - log(base 3) x = log(base 3) 15 (C.) (3/4)log(base 10) 10,000 = x