exam Maths Puzzle Numerical Ability

X+2 over 3= -1/3[X+2]

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exam Other Question

R/(|R + j60000|) = .85

The answer for R is 105000, but I don't know how they got it.
j is imaginary number.

Thanks Let f(x) = 4/3x + 8 and g(x) = -x-5, At what point do f(x) and g(x) intersect? (Write the coordinates)