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Simplifying r2 + -18 + 56 = 0 Reorder the terms: -18 + 56 + r2 = 0 Combine like terms: -18 + 56 = 38 38 + r2 = 0 Solving 38 + r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-38' to each side of the equation. 38 + -38 + r2 = 0 + -38 Combine like terms: 38 + -38 = 0 0 + r2 = 0 + -38 r2 = 0 + -38 Combine like terms: 0 + -38 = -38 r2 = -38 Simplifying r2 = -38 Reorder the terms: 38 + r2 = -38 + 38 Combine like terms: -38 + 38 = 0 38 + r2 = 0 The solution to this equation could not be determined.
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