Solve by the Substitution Method $x+y=5$ $4 \mathrm{x}+4 \mathrm{y}=20$ A) Infinite Number of Solutions
B)

Multiple Choice

Solve by the substitution method.
- $x+y=5$
$4 \mathrm{x}+4 \mathrm{y}=20$

A) Infinite number of solutions
B) $(0,0)$
C) $(5,4)$
D) $(6,-1)$