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Simplifying 2(-5r + 7) = -11r Reorder the terms: 2(7 + -5r) = -11r (7 * 2 + -5r * 2) = -11r (14 + -10r) = -11r Solving 14 + -10r = -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. 14 + -10r + 11r = -11r + 11r Combine like terms: -10r + 11r = 1r 14 + 1r = -11r + 11r Combine like terms: -11r + 11r = 0 14 + 1r = 0 Add '-14' to each side of the equation. 14 + -14 + 1r = 0 + -14 Combine like terms: 14 + -14 = 0 0 + 1r = 0 + -14 1r = 0 + -14 Combine like terms: 0 + -14 = -14 1r = -14 Divide each side by '1'. r = -14 Simplifying r = -14
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