39/f-1 =3
i multiply by 5 ad add 3 and subtract by 8 and i get 95
x=sec(y/2)
2(w-1)+5(2w+3)
5(2y-15)/3y = 3
$(-4)^{2}$
7.5/6
2x+(2x+2) = 474
b/3 + 15 = -8
2(t+1)+3(4t+3)
