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Simplifying -5r + 4 = 9 + 3r + 3r Reorder the terms: 4 + -5r = 9 + 3r + 3r Combine like terms: 3r + 3r = 6r 4 + -5r = 9 + 6r Solving 4 + -5r = 9 + 6r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-6r' to each side of the equation. 4 + -5r + -6r = 9 + 6r + -6r Combine like terms: -5r + -6r = -11r 4 + -11r = 9 + 6r + -6r Combine like terms: 6r + -6r = 0 4 + -11r = 9 + 0 4 + -11r = 9 Add '-4' to each side of the equation. 4 + -4 + -11r = 9 + -4 Combine like terms: 4 + -4 = 0 0 + -11r = 9 + -4 -11r = 9 + -4 Combine like terms: 9 + -4 = 5 -11r = 5 Divide each side by '-11'. r = -0.4545454545 Simplifying r = -0.4545454545
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