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Simplifying 8r + 12 = 5r + -1 Reorder the terms: 12 + 8r = 5r + -1 Reorder the terms: 12 + 8r = -1 + 5r Solving 12 + 8r = -1 + 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. 12 + 8r + -5r = -1 + 5r + -5r Combine like terms: 8r + -5r = 3r 12 + 3r = -1 + 5r + -5r Combine like terms: 5r + -5r = 0 12 + 3r = -1 + 0 12 + 3r = -1 Add '-12' to each side of the equation. 12 + -12 + 3r = -1 + -12 Combine like terms: 12 + -12 = 0 0 + 3r = -1 + -12 3r = -1 + -12 Combine like terms: -1 + -12 = -13 3r = -13 Divide each side by '3'. r = -4.333333333 Simplifying r = -4.333333333
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