Answer:
[tex]x=-\frac{10}{7}[/tex]
Step-by-step explanation:
Equation: [tex]-9x-5x=20[/tex]
1). [tex]-9-5=-14[/tex]
[tex]-14x=20[/tex]
2). [tex]\frac{-14x}{-14}=\frac{20}{-14}[/tex]
