Question

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

Answer 1

The answer is C because 5(-5) + 1 = -24