- Waht is Linear Equations?

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What is the reaction of carbon and oxygen? What is the chemical formula for barium chloride enneahydrate? Put the following equations into an augmented matrices form:
5x + 8y = 15
2x – 4y = 5? Can albino be corrected? In a particular home the electrical energy costs 12 toea per kilowatt-hour.How much does it cost to burn a 100-W light bulb for 24 hour?