IS Curve, Equation (1) ---> Y=1C11[C0C1T+I0I1r+G]

LM Curve, Equation (2) ---> Y = [(M/P) - M₀+ M₂r] / M₁

GDP in equilibrium Y* is given by

Y*= ((C0C1T+I0)(M)2)I1[M0M/P]+G(M2))/((M2)(1C1)+I1(M1))