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Simplifying x2 + -4 = -20 Reorder the terms: -4 + x2 = -20 Solving -4 + x2 = -20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x2 = -20 + 4 Combine like terms: -4 + 4 = 0 0 + x2 = -20 + 4 x2 = -20 + 4 Combine like terms: -20 + 4 = -16 x2 = -16 Simplifying x2 = -16 Reorder the terms: 16 + x2 = -16 + 16 Combine like terms: -16 + 16 = 0 16 + x2 = 0 The solution to this equation could not be determined.
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