$$\begin{array}{r} 2x + 2y - z = 1 \\ x + y + z = 2 \\ y - z = 1 \end{array}$$ In the solution of the system of equations above, what is $x$? A) $-3$ B) $-2$ C) $-1$ D) $0$ E) $3$
$$\begin{array}{r} 2x + 2y - z = 1 \\ x + y + z = 2 \\ y - z = 1 \end{array}$$
In the solution of the system of equations above, what is $x$?
A) $-3$\\
B) $-2$\\
C) $-1$\\
D) $0$\\
E) $3$