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Simplifying r2 + 16 = 0 Reorder the terms: 16 + r2 = 0 Solving 16 + r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + r2 = 0 + -16 Combine like terms: 16 + -16 = 0 0 + r2 = 0 + -16 r2 = 0 + -16 Combine like terms: 0 + -16 = -16 r2 = -16 Simplifying r2 = -16 Reorder the terms: 16 + r2 = -16 + 16 Combine like terms: -16 + 16 = 0 16 + r2 = 0 The solution to this equation could not be determined.
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