Question: Consider this example provided by my teacher: 2x- y = -8 Solve 3x+y = -2 by using the inverse of the coefficient matrix Rewrite the

Rewrite the system in a matrix format -1 [a = ad -

Consider this example provided by my teacher:

cbN -11-1 1 1 E Find the inverse of the coefficient matrix

1 2-(-3) Left multiply both sides by the inverse coefficient matrix M

2x- y = -8 Solve 3x+y = -2 by using the inverse of the coefficient matrix Rewrite the system in a matrix format -1 [a = ad - cbN -11-1 1 1 E Find the inverse of the coefficient matrix 1 2-(-3) Left multiply both sides by the inverse coefficient matrix M = -8+ (-2)] 10 24 + (-4) = 20 M = 12(3x + 7y = -20 10. Solve -5x + 3y = -84 by using the inverse of the coefficient matrix

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