Respuesta :

Answer:

[tex]a = \frac{5b+w-2}{15}[/tex]

Step-by-step explanation:

[tex]w=5(3a-b)+2\\w-2 =5(3a-b)\\w-2 = 15a - 5b\\w-2+5b = 15a \\5b+w-2= 15a\\a = \frac{5b+w-2}{15}[/tex]