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Simplifying 4 + -8r = 2 + -5r Solving 4 + -8r = 2 + -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. 4 + -8r + 5r = 2 + -5r + 5r Combine like terms: -8r + 5r = -3r 4 + -3r = 2 + -5r + 5r Combine like terms: -5r + 5r = 0 4 + -3r = 2 + 0 4 + -3r = 2 Add '-4' to each side of the equation. 4 + -4 + -3r = 2 + -4 Combine like terms: 4 + -4 = 0 0 + -3r = 2 + -4 -3r = 2 + -4 Combine like terms: 2 + -4 = -2 -3r = -2 Divide each side by '-3'. r = 0.6666666667 Simplifying r = 0.6666666667
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