find the equilibrium level income and rate of interest from the following information C=40+0.8Yd, 110-5r, T=50, G=50, Md=0.2y-5r, Ms=100

find the equilibrium level income and rate of interest from the
following information

C=40+0.8Yd, 110-5r, T=50, G=50, Md=0.2y-5r, Ms=100