Answer :
We need to evaluate the equations for x = 3:
[tex]6x-14=-7-x\Rightarrow6\cdot(3)-14=-7-3[/tex]Then
[tex]18-14=-10\Rightarrow4\ne-10[/tex]Then, x is not a solution to the equation system.
We need to evaluate the equations for x = 3:
[tex]6x-14=-7-x\Rightarrow6\cdot(3)-14=-7-3[/tex]Then
[tex]18-14=-10\Rightarrow4\ne-10[/tex]Then, x is not a solution to the equation system.