Solve the following autonomous differential equation with the given initial condition.
(dx/dt) = 7 - 7x, where x(1) = -2.


a) x(t) = 8 - 7e(-7t)
b) x(t) = 1 - 7e(7t)
c) x(t) = -1 + 7e(7t)
d) x(t) = -2 + 7e(-7t)