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Simplifying 7r + -2 = 5 + 5r Reorder the terms: -2 + 7r = 5 + 5r Solving -2 + 7r = 5 + 5r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-5r' to each side of the equation. -2 + 7r + -5r = 5 + 5r + -5r Combine like terms: 7r + -5r = 2r -2 + 2r = 5 + 5r + -5r Combine like terms: 5r + -5r = 0 -2 + 2r = 5 + 0 -2 + 2r = 5 Add '2' to each side of the equation. -2 + 2 + 2r = 5 + 2 Combine like terms: -2 + 2 = 0 0 + 2r = 5 + 2 2r = 5 + 2 Combine like terms: 5 + 2 = 7 2r = 7 Divide each side by '2'. r = 3.5 Simplifying r = 3.5
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