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Simplifying -12r = 5r + 8 Reorder the terms: -12r = 8 + 5r Solving -12r = 8 + 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. -12r + -5r = 8 + 5r + -5r Combine like terms: -12r + -5r = -17r -17r = 8 + 5r + -5r Combine like terms: 5r + -5r = 0 -17r = 8 + 0 -17r = 8 Divide each side by '-17'. r = -0.4705882353 Simplifying r = -0.4705882353
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