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Simplifying 10r2 + 8 = -180 Reorder the terms: 8 + 10r2 = -180 Solving 8 + 10r2 = -180 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 10r2 = -180 + -8 Combine like terms: 8 + -8 = 0 0 + 10r2 = -180 + -8 10r2 = -180 + -8 Combine like terms: -180 + -8 = -188 10r2 = -188 Divide each side by '10'. r2 = -18.8 Simplifying r2 = -18.8 Reorder the terms: 18.8 + r2 = -18.8 + 18.8 Combine like terms: -18.8 + 18.8 = 0.0 18.8 + r2 = 0.0 The solution to this equation could not be determined.
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