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Simplifying 7r + 19 = 2r + 39 Reorder the terms: 19 + 7r = 2r + 39 Reorder the terms: 19 + 7r = 39 + 2r Solving 19 + 7r = 39 + 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. 19 + 7r + -2r = 39 + 2r + -2r Combine like terms: 7r + -2r = 5r 19 + 5r = 39 + 2r + -2r Combine like terms: 2r + -2r = 0 19 + 5r = 39 + 0 19 + 5r = 39 Add '-19' to each side of the equation. 19 + -19 + 5r = 39 + -19 Combine like terms: 19 + -19 = 0 0 + 5r = 39 + -19 5r = 39 + -19 Combine like terms: 39 + -19 = 20 5r = 20 Divide each side by '5'. r = 4 Simplifying r = 4
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