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Simplifying 5r + 2 = r + 18 Reorder the terms: 2 + 5r = r + 18 Reorder the terms: 2 + 5r = 18 + r Solving 2 + 5r = 18 + 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. 2 + 5r + -1r = 18 + r + -1r Combine like terms: 5r + -1r = 4r 2 + 4r = 18 + r + -1r Combine like terms: r + -1r = 0 2 + 4r = 18 + 0 2 + 4r = 18 Add '-2' to each side of the equation. 2 + -2 + 4r = 18 + -2 Combine like terms: 2 + -2 = 0 0 + 4r = 18 + -2 4r = 18 + -2 Combine like terms: 18 + -2 = 16 4r = 16 Divide each side by '4'. r = 4 Simplifying r = 4
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