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Simplifying 9r2 + -4 = -152 Reorder the terms: -4 + 9r2 = -152 Solving -4 + 9r2 = -152 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 9r2 = -152 + 4 Combine like terms: -4 + 4 = 0 0 + 9r2 = -152 + 4 9r2 = -152 + 4 Combine like terms: -152 + 4 = -148 9r2 = -148 Divide each side by '9'. r2 = -16.44444444 Simplifying r2 = -16.44444444 Reorder the terms: 16.44444444 + r2 = -16.44444444 + 16.44444444 Combine like terms: -16.44444444 + 16.44444444 = 0.00000000 16.44444444 + r2 = 0.00000000 The solution to this equation could not be determined.
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