If $y=1$ and $4 x-2 y+3=3 x+3 y$, what is the value of $x$ ?
(A) -2
(B) 0
(C) 2
(D) 4
(E) 8
Substituting $y=1$ into the second equation, we obtain $4 x-2(1)+3=3 x+3(1)$.

Simplifying, we obtain $4 x-2+3=3 x+3$ or $4 x+1=3 x+3$.

Therefore, $4 x-3 x=3-1$ or $x=2$.

ANswer: (C)