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Simplifying 0.66x2 + 9 = -12 Reorder the terms: 9 + 0.66x2 = -12 Solving 9 + 0.66x2 = -12 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 0.66x2 = -12 + -9 Combine like terms: 9 + -9 = 0 0 + 0.66x2 = -12 + -9 0.66x2 = -12 + -9 Combine like terms: -12 + -9 = -21 0.66x2 = -21 Divide each side by '0.66'. x2 = -31.81818182 Simplifying x2 = -31.81818182 Reorder the terms: 31.81818182 + x2 = -31.81818182 + 31.81818182 Combine like terms: -31.81818182 + 31.81818182 = 0.00000000 31.81818182 + x2 = 0.00000000 The solution to this equation could not be determined.
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