exam Maths Puzzle Numerical Ability

I am studying chemical equilibriums, and am having trouble remembering the algebra. Can you please explain to me how when solving this equation for x: (3.2 - 2x)/x = 1480, x= .

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how would i graph this funtion?

f(x)= x+6, if x< or equal to -3

-2/3x-3, if x > - 3
which of the following is equivalent to the rational number x-2/x+4
a. x^2+6x+8/x^2+4x+4
b. x^2+6x+8/x-4
c. x^2-4/x^2+6x+8
d. x^2+4x+4/x^2+6x+8