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Simplifying 3k2 + -7k2 + -20 = 0 Reorder the terms: -20 + 3k2 + -7k2 = 0 Combine like terms: 3k2 + -7k2 = -4k2 -20 + -4k2 = 0 Solving -20 + -4k2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + -4k2 = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -4k2 = 0 + 20 -4k2 = 0 + 20 Combine like terms: 0 + 20 = 20 -4k2 = 20 Divide each side by '-4'. k2 = -5 Simplifying k2 = -5 Reorder the terms: 5 + k2 = -5 + 5 Combine like terms: -5 + 5 = 0 5 + k2 = 0 The solution to this equation could not be determined.
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