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Simplifying 2 = 2r + -2 Reorder the terms: 2 = -2 + 2r Solving 2 = -2 + 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. 2 + -2r = -2 + 2r + -2r Combine like terms: 2r + -2r = 0 2 + -2r = -2 + 0 2 + -2r = -2 Add '-2' to each side of the equation. 2 + -2 + -2r = -2 + -2 Combine like terms: 2 + -2 = 0 0 + -2r = -2 + -2 -2r = -2 + -2 Combine like terms: -2 + -2 = -4 -2r = -4 Divide each side by '-2'. r = 2 Simplifying r = 2
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