Question

Y=-x-4
y=x

solve system of equations algebraically​

Answer 1

y=-2 x=-2

Explanation:

y=-x-4

y=x

you can plug y in for x in the first equation by using substitution

y=-y-4

and then you solve for y

2y=-4

y=-2

so y equals -2. Since y=x, x also equals -2. Therefore

y=-2 x=-2