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