Find, giving your answer to 3 significant figures where appropriate, the value of x x\,x for which
3x=53^x = 53x=5 ,
log2(2x+1)−log2x=2\log_2 (2x + 1) - \log_2 x = 2log2(2x+1)−log2x=2 .
9 exam-style questions on Edexcel A Level Old Maths Logs. Each one has a worked solution and a mark scheme showing where the marks go.