Answer:
[tex]a = \frac{5c-6b}{18b}[/tex]
Step-by-step explanation:
[tex]5c = 3b(6a + 2)[/tex]
[tex]\frac{5c}{3b} = (6a + 2)[/tex]
[tex]\frac{5c}{3b}-2 = 6a[/tex]
[tex]\frac{5c-6b}{3b} = 6a[/tex]
[tex]\frac{5c-6b}{18b} = a[/tex]
