Maps Launch Meeting - Z... G Google By using the matrix (Linear) algebra, not by using repeated substitution method, do I) Determine the equilibrium level of national Income (Y) and consumption (C.) II) Show the overall change or the comparative statics of I Increased by 500 on Y and C. Consider the following system of equations: 3x1 + 2x2 - 2x3 - -15 4X1+ 3x2 +3x3 = 17 2x1 - X2 - X3 =-1' Use Cramer's rule to solve for the equilibrium values of X1. X2. and X3 in the system of equations