Solve for x, y, and z.

$\displaystyle-{2}{x}+{5}{y}-{3}{z}={5}\usepackage{cmbright}\Huge\$

$\displaystyle{2}{x}-{3}{y}+{5}{z}=-{3}\usepackage{cmbright}\Huge\$

$\displaystyle{2}{x}-{2}{y}+{z}={3}\usepackage{cmbright}\Huge\$