  The main purpose of this paper is to show that there exists a positive number
  $\lambda_{1}$, the first eigenvalue, such that some $p(x)$-Laplace equation
admits a solution if
  $\lambda=\lambda_{1}$ and that
  $\lambda_{1}$ is simple, i.e., with respect to \textit{the first eigenvalue}
solutions, which are not equal to zero a. e., of the $p(x)$-Laplace equation
forms an one dimensional subset. Furthermore, by developing Moser method we
obtained some results concerning H\"{o}lder continuity and bounded properties
of the solutions. Our works are done in the setting of the Generalized-Sobolev
Space. There are many perfect results about $p$-Laplace equations, but about
$p(x)$-Laplace equation there are few results. The main reason is that a lot of
methods which are very useful in dealing with $p$-Laplace equations are no
longer valid for $p(x)$-Laplace equations. In this paper, many results are
obtained by imposing some conditions on $p(x)$.
  Stimulated by the development of the study of elastic mechanics, interest in
variational problems and differential equations has grown in recent decades,
while Laplace equations with nonstandard growth conditions share a part. The
equation discussed in this paper is derived from the elastic mechanics.
