Solve Using the Substitution Method $x+y=12$ $\mathrm{y}=2 \mathrm{x}+3$ A) $(3,9)$ B) $(4,7)$ C) $(2,12)$

Multiple Choice

Solve using the substitution method.
- $x+y=12$
$\mathrm{y}=2 \mathrm{x}+3$

A) $(3,9)$
B) $(4,7)$
C) $(2,12)$
D) $(9,3)$