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Simplifying 3.5r + 8 = r Reorder the terms: 8 + 3.5r = r Solving 8 + 3.5r = r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-1r' to each side of the equation. 8 + 3.5r + -1r = r + -1r Combine like terms: 3.5r + -1r = 2.5r 8 + 2.5r = r + -1r Combine like terms: r + -1r = 0 8 + 2.5r = 0 Add '-8' to each side of the equation. 8 + -8 + 2.5r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 2.5r = 0 + -8 2.5r = 0 + -8 Combine like terms: 0 + -8 = -8 2.5r = -8 Divide each side by '2.5'. r = -3.2 Simplifying r = -3.2
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