A. Solve each system of linear equations using determinants.
1. x + y = 3
x - y = 1
2. 3x - 10y = 15
2x + 3y = 6
3. 4x - 9y = 2
5x + 3y = - 26
4. 2x + 5y = 22
x-3y=0
5. x + 3y = 8
2x + 6y = 5
1. x + y = 3
x - y = 1
2. 3x - 10y = 15
2x + 3y = 6
3. 4x - 9y = 2
5x + 3y = - 26
4. 2x + 5y = 22
x-3y=0
5. x + 3y = 8
2x + 6y = 5
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Answer:
1. x = 1\/2 and y = 1\/2
2. x = 78\/1529 and y = -894\/1529
3. x = -104\/79 and y = 182\/79
4. x = 0 and y = 0
5. x = -1\/16 and y = 27\/16
Step-by-step explanation:
That's all!