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Simplifying 8 + -2r = 5 + -5r Solving 8 + -2r = 5 + -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. 8 + -2r + 5r = 5 + -5r + 5r Combine like terms: -2r + 5r = 3r 8 + 3r = 5 + -5r + 5r Combine like terms: -5r + 5r = 0 8 + 3r = 5 + 0 8 + 3r = 5 Add '-8' to each side of the equation. 8 + -8 + 3r = 5 + -8 Combine like terms: 8 + -8 = 0 0 + 3r = 5 + -8 3r = 5 + -8 Combine like terms: 5 + -8 = -3 3r = -3 Divide each side by '3'. r = -1 Simplifying r = -1
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