[tex]\huge\boxed{\text{A.}\ x=-3}[/tex]
Start by subtracting [tex]2x[/tex] from both sides of the equation. Our goal is to isolate the variable. [tex]5+4x=-7[/tex]
Now, subtract [tex]5[/tex] on both sides. [tex]4x=-12[/tex]
Finally, divide both sides by [tex]4[/tex]. [tex]x=\boxed{-3}[/tex]
