Answer:
[tex]x=-13[/tex]
Step-by-step explanation:
[tex]x-4=2x+9[/tex]
Add 4 to both sides:
[tex]x-4+4=2x+9+4[/tex]
[tex]x=2x+13[/tex]
Subtract 2x from both sides:
[tex]x-2x=2x+13-2x[/tex]
[tex]-x=13[/tex]
Divide both sides by -1:
[tex]\frac{-x}{-1}=\frac{13}{-1}[/tex]
[tex]x=-13[/tex]
