Answer:
[tex]a=63[/tex]
Step-by-step explanation:
[tex]14=\frac{2a}{9}[/tex]
Switch sides:
[tex]\frac{2a}{9}=14[/tex]
Multiply both sides by 9:
[tex]\frac{9\cdot \:2a}{9}=14\cdot \:9[/tex]
[tex]2a=126[/tex]
Divide both sides by 2:
[tex]\frac{2a}{2}=\frac{126}{2}[/tex]
[tex]a=63[/tex]