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Simplifying 19 + 9r = -17 + 2 + 11r Combine like terms: -17 + 2 = -15 19 + 9r = -15 + 11r Solving 19 + 9r = -15 + 11r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-11r' to each side of the equation. 19 + 9r + -11r = -15 + 11r + -11r Combine like terms: 9r + -11r = -2r 19 + -2r = -15 + 11r + -11r Combine like terms: 11r + -11r = 0 19 + -2r = -15 + 0 19 + -2r = -15 Add '-19' to each side of the equation. 19 + -19 + -2r = -15 + -19 Combine like terms: 19 + -19 = 0 0 + -2r = -15 + -19 -2r = -15 + -19 Combine like terms: -15 + -19 = -34 -2r = -34 Divide each side by '-2'. r = 17 Simplifying r = 17
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