This is the symmetric property, for you divide 9 to both sides to get x, instead of adding (addition property of equality)
So symmetric property should be your answer
Hope this helps
The answer Is C: SAS Congruence Postulate.
Answer:
the correct answer is D
Step-by-step explanation:
Simplify using FOIL 15x3+18x+10x2+12
I think its A!! But im not sure
