solve the following simultaneous equation using cramers rule
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solve the following simultaneous equation using cramers rule
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Answer:
= | 1 2 2 − 3 | = 1 × ( − 3 ) − 2 × 2 = − 3 − 4 = − 7.
D x = | − 1 2 12 − 3 | = ( − 1 ) × ( − 3 ) − 2 × 12 = 3 − 24 = − 21.
D y = | 1 − 1 2 12 | = 1 × 12 − ( − 1 ) × 2 = 12 + 2 = 14.
Answer:
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