exam Maths Puzzle Numerical Ability

I am having trouble. Can someone please help me.

Solve:
-3(x+1)=2(x-8)+3

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exam Other Question

Rationalize the denominator:
___2____
√[6] - √[5]

????? Having the hardest time trying to figure these out.

1) reduce to lowest term: 3x-6/8-4x

2)5x/x^2-1 , 4/x^2-2x+1
a. find the LCD
b. Convert each expression into an equivile