I dont know the answer sorry
Answer:
Substitution Property
Step-by-step explanation:
The change from the first equation to the final equation is m∠A has been replaced by m∠B. In other words, m∠B was substituted for m∠A.
Answer:
you can ask questions that are on tests or live exams. I have reported this to brainly. Please don't do that again.
Step-by-step explanation:
2x+3=-7
-3=-7-3=-10
2x=-10
X=-5