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Simplifying r2 + 11 = 7 Reorder the terms: 11 + r2 = 7 Solving 11 + r2 = 7 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + r2 = 7 + -11 Combine like terms: 11 + -11 = 0 0 + r2 = 7 + -11 r2 = 7 + -11 Combine like terms: 7 + -11 = -4 r2 = -4 Simplifying r2 = -4 Reorder the terms: 4 + r2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + r2 = 0 The solution to this equation could not be determined.
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