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Simplifying 2r2 + 4x + -5 = 4 + x Reorder the terms: -5 + 2r2 + 4x = 4 + x Solving -5 + 2r2 + 4x = 4 + x Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 2r2 + 5 + 4x = 4 + 5 + x Reorder the terms: -5 + 5 + 2r2 + 4x = 4 + 5 + x Combine like terms: -5 + 5 = 0 0 + 2r2 + 4x = 4 + 5 + x 2r2 + 4x = 4 + 5 + x Combine like terms: 4 + 5 = 9 2r2 + 4x = 9 + x Add '-4x' to each side of the equation. 2r2 + 4x + -4x = 9 + x + -4x Combine like terms: 4x + -4x = 0 2r2 + 0 = 9 + x + -4x 2r2 = 9 + x + -4x Combine like terms: x + -4x = -3x 2r2 = 9 + -3x Divide each side by '2'. r2 = 4.5 + -1.5x Simplifying r2 = 4.5 + -1.5x Reorder the terms: -4.5 + r2 + 1.5x = 4.5 + -1.5x + -4.5 + 1.5x Reorder the terms: -4.5 + r2 + 1.5x = 4.5 + -4.5 + -1.5x + 1.5x Combine like terms: 4.5 + -4.5 = 0.0 -4.5 + r2 + 1.5x = 0.0 + -1.5x + 1.5x -4.5 + r2 + 1.5x = -1.5x + 1.5x Combine like terms: -1.5x + 1.5x = 0.0 -4.5 + r2 + 1.5x = 0.0 The solution to this equation could not be determined.
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