For the first one your answer would be
The problem would stay the same because you can't combine like terms.
For the second one your answer would be
-8y-5x=13
Answer:
It is 1800 degrees. All sides are the same length, or congruent and all interior angles are the same size
Step-by-step explanation:
To regroup is to use place value to exchange equal amount when renaming a number.