Question

How to solve y=-x-6 y=x-4

Answer 1

We have the following:

`\begin{gathered} y=-x-6 \\ y=x-4​ \end{gathered}`

solving by substitution

`\begin{gathered} -x-6=x-4 \\ x+x=-6+4 \\ 2x=-2 \\ x=-(2)/(2) \\ x=-1 \end{gathered}`

The answer is x is equal -1