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Simplifying 68 = -2r Solving 68 = -2r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '2r' to each side of the equation. 68 + 2r = -2r + 2r Combine like terms: -2r + 2r = 0 68 + 2r = 0 Add '-68' to each side of the equation. 68 + -68 + 2r = 0 + -68 Combine like terms: 68 + -68 = 0 0 + 2r = 0 + -68 2r = 0 + -68 Combine like terms: 0 + -68 = -68 2r = -68 Divide each side by '2'. r = -34 Simplifying r = -34
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