book Maths Puzzle Numerical Ability

Could you show me how to slove this problem:
(2/7)x = 14

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book Other Question

I am having trouble with a question, Add the fractions

q
--------
q^2+5q+6

and

1
--------
q^2+3q+2

I think the answer is

q^2+2q+3
---------- I have a problem 3x^0+(3x)^0. I am having a hard time figuring this problem out. Your help would greatly be appreicated.