Use substitution to solve the system of equations.

5x + y = –24
x + 3y = –2

A. x = –5, y = –1

B. x = 5, y = 1

C. x = –5, y = 1

D. x = 5, y = –1

to regulate production on things such as fuel and production

mexico south america

explanation:

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

35 is your answer because i looked it up