Mathematics

Solve the system of equations algebraically. Explain.
  y = -x - 4
  y = x


Answers

Banaszek168

4 years ago Comment

Best answer

If y = - x - 4, then y = x

So, [latex]-x-4=x \\ -4=x+x \\ -4=2x \\ -2=x[/latex]

[latex] \left \{ {{y=-2} \atop {x=-2}} \right. [/latex]

yassautumn

4 years ago Comment

[latex] y = -x - 4\\ y = x\\\\ x=-x-4\\ 2x=-4\\ x=-2\\\\ y=-2[/latex]