Question

What is the solution to the system of equations?

Use the substitution method to solve.
-
6= -4x +y
-5x – y=21
Enter your answer by filling in the boxes.

Answer 1

-9x = 27
x = -3

-5(-3) - y = 21
15 - y = 21
y = -6

6 = -4(-3) - 6
6 = 12 - 6