Provide an Appropriate Response $K$ Makes This Equation Equivalent To $x=2$ $3 \mathrm{x}+15 \mathrm{x}-8=\mathrm{K}+6$

Short Answer

Provide an appropriate response.
-What value of $K$ makes this equation equivalent to $x=2$ ?
$3 \mathrm{x}+15 \mathrm{x}-8=\mathrm{K}+6$