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Simplifying 18.5 = 2.5r + -6r Combine like terms: 2.5r + -6r = -3.5r 18.5 = -3.5r Solving 18.5 = -3.5r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '3.5r' to each side of the equation. 18.5 + 3.5r = -3.5r + 3.5r Combine like terms: -3.5r + 3.5r = 0.0 18.5 + 3.5r = 0.0 Add '-18.5' to each side of the equation. 18.5 + -18.5 + 3.5r = 0.0 + -18.5 Combine like terms: 18.5 + -18.5 = 0.0 0.0 + 3.5r = 0.0 + -18.5 3.5r = 0.0 + -18.5 Combine like terms: 0.0 + -18.5 = -18.5 3.5r = -18.5 Divide each side by '3.5'. r = -5.285714286 Simplifying r = -5.285714286
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