exam Maths Puzzle Numerical Ability

If f(x) = 2x + 3 and g(x) = (x - 3)/2, what is the value of f[g(-5)]?

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Write the equation in standard form with the integer coefficients y-2=1/2(x+6) I need help on the problem: 4i-2x-3=4ix+6i-5x. Solve for x and give the solution in standard "a+bi" form.