Respuesta :

abudi
w = 3 ( 2a + b ) - 4
w = 6a + 3b - 4
w + 4 - 3b = 6a
a = w + 4 - 3b / 6

HOPE it helps !!
LamZhaoWei
w=3(2a+b)-4
w=6a+3b-4
6a=w-3b+4
a= square root w-3b+4