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Simplifying 1 + 5r = 2r + 8 Reorder the terms: 1 + 5r = 8 + 2r Solving 1 + 5r = 8 + 2r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-2r' to each side of the equation. 1 + 5r + -2r = 8 + 2r + -2r Combine like terms: 5r + -2r = 3r 1 + 3r = 8 + 2r + -2r Combine like terms: 2r + -2r = 0 1 + 3r = 8 + 0 1 + 3r = 8 Add '-1' to each side of the equation. 1 + -1 + 3r = 8 + -1 Combine like terms: 1 + -1 = 0 0 + 3r = 8 + -1 3r = 8 + -1 Combine like terms: 8 + -1 = 7 3r = 7 Divide each side by '3'. r = 2.333333333 Simplifying r = 2.333333333
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