exam Maths Puzzle Numerical Ability

Hi!
I need help with log(x+6)- logx= log(x+2)
Thanks so much

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exam Other Question

how do i simplify this equation?

a=4,b=3,c=2
5a-9+2a Could you please help me out?
A square and an equilateral triangle have the same perimeter. Each side of the triangle is 4 inches longer than each side of the square. What is the perimeter of the figures? What is the area of the square?