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Simplifying 21x2 + 12 = 0 Reorder the terms: 12 + 21x2 = 0 Solving 12 + 21x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + 21x2 = 0 + -12 Combine like terms: 12 + -12 = 0 0 + 21x2 = 0 + -12 21x2 = 0 + -12 Combine like terms: 0 + -12 = -12 21x2 = -12 Divide each side by '21'. x2 = -0.5714285714 Simplifying x2 = -0.5714285714 Reorder the terms: 0.5714285714 + x2 = -0.5714285714 + 0.5714285714 Combine like terms: -0.5714285714 + 0.5714285714 = 0.0000000000 0.5714285714 + x2 = 0.0000000000 The solution to this equation could not be determined.
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