exam Maths Puzzle Numerical Ability

I am having problems absolute value solving inequalities. I have two problems. I think I solved them, but I am not 100% sure.
|5x+6|>26

x| x<-4 or x>4

the second problem is:

|2x-4| =16

x= -6 and 10

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Lnx+ln9x-2=1 Factor -3s^2-10s+8