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Simplifying -8r + 11 = 3 + -7r Reorder the terms: 11 + -8r = 3 + -7r Solving 11 + -8r = 3 + -7r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '7r' to each side of the equation. 11 + -8r + 7r = 3 + -7r + 7r Combine like terms: -8r + 7r = -1r 11 + -1r = 3 + -7r + 7r Combine like terms: -7r + 7r = 0 11 + -1r = 3 + 0 11 + -1r = 3 Add '-11' to each side of the equation. 11 + -11 + -1r = 3 + -11 Combine like terms: 11 + -11 = 0 0 + -1r = 3 + -11 -1r = 3 + -11 Combine like terms: 3 + -11 = -8 -1r = -8 Divide each side by '-1'. r = 8 Simplifying r = 8
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