Question

Solve the system of equations x + y = 0 and x + 9y= -48 by combing the eqatuons

Answer 1

x = 6

y = -6

Explanation:

x + y = 0 (Multiply by -1)

x + 9y= -48

-x - y = 0

x + 9y= -48

8y = -48

y = -6

x + y = 0

x - 6 = 0

x = 6