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Simplifying 3k2 + -18x + -21 = 0 Reorder the terms: -21 + 3k2 + -18x = 0 Solving -21 + 3k2 + -18x = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 3k2 + 21 + -18x = 0 + 21 Reorder the terms: -21 + 21 + 3k2 + -18x = 0 + 21 Combine like terms: -21 + 21 = 0 0 + 3k2 + -18x = 0 + 21 3k2 + -18x = 0 + 21 Combine like terms: 0 + 21 = 21 3k2 + -18x = 21 Add '18x' to each side of the equation. 3k2 + -18x + 18x = 21 + 18x Combine like terms: -18x + 18x = 0 3k2 + 0 = 21 + 18x 3k2 = 21 + 18x Divide each side by '3'. k2 = 7 + 6x Simplifying k2 = 7 + 6x Reorder the terms: -7 + k2 + -6x = 7 + 6x + -7 + -6x Reorder the terms: -7 + k2 + -6x = 7 + -7 + 6x + -6x Combine like terms: 7 + -7 = 0 -7 + k2 + -6x = 0 + 6x + -6x -7 + k2 + -6x = 6x + -6x Combine like terms: 6x + -6x = 0 -7 + k2 + -6x = 0 The solution to this equation could not be determined.
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