Respuesta :

Answer:

  a = 2b +(t/2)

Step-by-step explanation:

Add t-3a to both sides.

  3a +4b +t -3a = 5a -t +t -3a

  4b +t = 2a . . . . . simplify

  (4b +t)/2 = a . . . divide by the coefficient of a

  a = 2b +(t/2)