burainio burainio 15-04-2024 Mathematics contestada The following equation describes a certain economy. C=400+ 0.75yd /= 200 - 100r T= 70+ 0.2Y G= 100 X = 10 M = 150+0.6Y MS = 4000 MDS 1200-18r MDY=Y Derive the IS and LM equations.