exam Maths Puzzle Numerical Ability

please help:

|-x + 3| < 5

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exam Other Question

f(x) = 5^x
Please help!!! how would I show on a table of coordinates and what is the the additional points? If fifteen less than two times a number is divided by six more than the number, the result is four less than 9 times the reciprocal of that number. Find the number