You need another equation to make this a linear equation so you can solve for both variables. One equation with two variables is not enough to determine the correct answer.
2+2
It is generally not possible to solve a single equation in two variables: this is one such.
You cannot solve one linear equation with two unknown variables.
This equation is incomplete, and to solve for two variables, you need two equations. So there is no "answer" for this.
It is not possible to solve one linear equation in two unknown variables.
You cannot solve one linear equation with two variables.
It is not possible to solve a single linear equation in two variables.
7
You cannot solve one linear equation in two unknown variables.
One linear equation in two variables cannot be solved. You can only express one of the variables in terms of the other.
It is not possible to solve one linear equation in two variables for either of the variables.