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Simplifying x2 + 3r + -2 = 0 Reorder the terms: -2 + 3r + x2 = 0 Solving -2 + 3r + x2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 3r + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + 3r + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 3r + x2 = 0 + 2 3r + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 3r + x2 = 2 Add '-1x2' to each side of the equation. 3r + x2 + -1x2 = 2 + -1x2 Combine like terms: x2 + -1x2 = 0 3r + 0 = 2 + -1x2 3r = 2 + -1x2 Divide each side by '3'. r = 0.6666666667 + -0.3333333333x2 Simplifying r = 0.6666666667 + -0.3333333333x2
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