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Simplifying 19 = 5 + 2r Solving 19 = 5 + 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 + -2r = 5 + 2r + -2r Combine like terms: 2r + -2r = 0 19 + -2r = 5 + 0 19 + -2r = 5 Add '-19' to each side of the equation. 19 + -19 + -2r = 5 + -19 Combine like terms: 19 + -19 = 0 0 + -2r = 5 + -19 -2r = 5 + -19 Combine like terms: 5 + -19 = -14 -2r = -14 Divide each side by '-2'. r = 7 Simplifying r = 7
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