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Simplifying 2r2 + -5t + -12 = 0 Reorder the terms: -12 + 2r2 + -5t = 0 Solving -12 + 2r2 + -5t = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 2r2 + 12 + -5t = 0 + 12 Reorder the terms: -12 + 12 + 2r2 + -5t = 0 + 12 Combine like terms: -12 + 12 = 0 0 + 2r2 + -5t = 0 + 12 2r2 + -5t = 0 + 12 Combine like terms: 0 + 12 = 12 2r2 + -5t = 12 Add '5t' to each side of the equation. 2r2 + -5t + 5t = 12 + 5t Combine like terms: -5t + 5t = 0 2r2 + 0 = 12 + 5t 2r2 = 12 + 5t Divide each side by '2'. r2 = 6 + 2.5t Simplifying r2 = 6 + 2.5t Reorder the terms: -6 + r2 + -2.5t = 6 + 2.5t + -6 + -2.5t Reorder the terms: -6 + r2 + -2.5t = 6 + -6 + 2.5t + -2.5t Combine like terms: 6 + -6 = 0 -6 + r2 + -2.5t = 0 + 2.5t + -2.5t -6 + r2 + -2.5t = 2.5t + -2.5t Combine like terms: 2.5t + -2.5t = 0.0 -6 + r2 + -2.5t = 0.0 The solution to this equation could not be determined.
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