9a +45b+285c = 74
45a+285b+ 2025C = 421
285a+ 2025b+15333C = 2771 find the value of a, b and c
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285a+ 2025b+15333C = 2771
Step-by-step explanation:
9a +45b+285c = 74
45a+285b+ 2025C = 421
285a+ 2025b+15333C = 2771 find the value of a, b and c
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