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Simplifying 8r + 8 = 7 + 3r Reorder the terms: 8 + 8r = 7 + 3r Solving 8 + 8r = 7 + 3r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-3r' to each side of the equation. 8 + 8r + -3r = 7 + 3r + -3r Combine like terms: 8r + -3r = 5r 8 + 5r = 7 + 3r + -3r Combine like terms: 3r + -3r = 0 8 + 5r = 7 + 0 8 + 5r = 7 Add '-8' to each side of the equation. 8 + -8 + 5r = 7 + -8 Combine like terms: 8 + -8 = 0 0 + 5r = 7 + -8 5r = 7 + -8 Combine like terms: 7 + -8 = -1 5r = -1 Divide each side by '5'. r = -0.2 Simplifying r = -0.2
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