exam Maths Puzzle Numerical Ability

question#1)...log32{log9[log2(3x+5)]}=-1/5
question#2)...3(log27x0^2-5(log27x)-2=0
question#3)...7(243)^2x-1+53=137834
question#4)...(8)^3x+1*(1/128)^5-x/(1/3square root262144)^

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exam Other Question

How do you find the slope of a line through (1,3) and (-2,5)

Also, how do you find the slope of a parallel line passing (1,5) and (-1,0)
3+4(2+5)=3