Answer:
x=161/10 =16.100
Step-by-step explanation:
Combine Like Terms
Answer:
Both are equal
Step-by-step explanation:

The answer is D because then triangles DEF and ABC would mapped onto one another
Answer:
Step-by-step explanation:
5= 31(x +7)
5= 31x + 217
5 - 217 = 31x + 217 - 217
212 = 31x
212/31 = 31x/31
212 = x
x= 212