Answer :
y = -x-1
x+1 = -x-1 .... replace y with x+1
x+x = -1-1
2x = -2
x = -2/2
x = -1
If x = -1, then y is
y = x+1
y = -1+1
y = 0
So x = -1 and y = 0 pair up together to get (x,y) = (-1,0)
Answer: Choice B
Answer:
-1, 0
Step-by-step explanation:
Given system of equations,
[tex]y=-x-1-------(1)[/tex]
[tex]y=x+1------(2)[/tex]
Adding equation (1) and (2),
We get,
[tex]2y = 0[/tex]
[tex]\implies y = 0[/tex]
From equation (1),
[tex]0 = -x - 1[/tex]
[tex]\implies x = -1[/tex]
Hence, the solution of the given system of equation is (-1, 0)
Second option is correct.