What is the solution to this system?

Equation A: - x+y=0

Equation B: x=-y-10

The answer is x = - 5, y = - 5

Step-by-step explanation:

Use the method of elimination

Rearrange the equations

x = - y - 10 → x + y = - 10

-x + y = 0

x + y = - 10

Add these two equations together to eliminate the xs

2y = - 10

y = - 5

-x + y = 0

-x - 5 = 0

-x = 5

x = - 5

(-5,-5) Is the solution