Respuesta :

ladykate24
6-t/2t+9 = -2
multiply both sides by 2t+9
which will give you 
6-t= -2(2t+9)
6-t = -4t + 18
now add 4t to both sides
6 -t + 4t = -4t -18 + 4t
6 + 3t = -18
6-6 + 3t = -18 -6
3t = -24
t = -24/3
t=  -8 (negative 8)