exam Maths Puzzle Numerical Ability

7/x-1+2/x+1=-2x/x^2-1

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exam Other Question

Translate the following statements into inequalities. Let x represent the number in each case.
82) 2 times a number, increased by 28, is less than or equal to 6 times that number.
Is this a function?

x + y = 12

a. yes
b. no
c. It depends
d. None of the above