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Question: 55 3 use cramers rule to solve the following equation...

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5.5
3.) Use Cramer's rule to solve the following equation systems: please answer b and d only with purple mark in the picture.

ailu get the solution by the formula xA-d. 3. Use Cramers rule to solve the following equation systems: (a) 8x1 - x2 16 (c) 4x +3y-2z-1 2x2 +5x35 2x1+3x37 (b)-x +3x2 + 2x3 24d) -x+y+za 6 5x2 X38 4. Show that Cramers rule can be derived alternatively by the followit uply both sides of the first equation in the system Ax- d by the hen multiply both sides of the second equation by the cofactor

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