The solution of which of the following equations is neither a fraction nor an integer?
\(2x + 6 = 0\)
\(3x - 5 = 0\)
\(5x - 8 = x + 4\)
\(4x + 7 = x + 2\)
\(4x + 7 = x + 2 \implies 3x = -5 \implies x = -\dfrac{5}{3}\), neither an integer nor a whole number.