This is two or more equations with common variables, also known as a linear system. System Of Equations
Answer:
Caesar Augustus was one of ancient Rome's most successful leaders who led the transformation of Rome from a republic to an empire. During his reign, Augustus restored peace and prosperity to the Roman state and changed nearly every aspect of Roman life
Explanation:
One of the main ways in which Europe’s commercial revolution affected social structure is that it increased the incomes of many lower-class citizens, which created somewhat of a "middle class," which had previously not existed.