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Simplifying 3x2 + -5r + -1 = 0 Reorder the terms: -1 + -5r + 3x2 = 0 Solving -1 + -5r + 3x2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '1' to each side of the equation. -1 + -5r + 1 + 3x2 = 0 + 1 Reorder the terms: -1 + 1 + -5r + 3x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -5r + 3x2 = 0 + 1 -5r + 3x2 = 0 + 1 Combine like terms: 0 + 1 = 1 -5r + 3x2 = 1 Add '-3x2' to each side of the equation. -5r + 3x2 + -3x2 = 1 + -3x2 Combine like terms: 3x2 + -3x2 = 0 -5r + 0 = 1 + -3x2 -5r = 1 + -3x2 Divide each side by '-5'. r = -0.2 + 0.6x2 Simplifying r = -0.2 + 0.6x2
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