Answer:
B:
Step-by-step explanation:
1. Substitute
for c:
2. Solve substitution: 
3. Compare
to calculated answers when 
4.
when
is 
120+x+16+x=180
2x+ 136=180
2x=44
X= 22
<B= 22
No, the first choice equals 190 and the second 144.
Answer:
(X+7/4)=1/16
Step-by-step explanation:
.