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Simplifying 2r + 4 = r + 1 Reorder the terms: 4 + 2r = r + 1 Reorder the terms: 4 + 2r = 1 + r Solving 4 + 2r = 1 + 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. 4 + 2r + -1r = 1 + r + -1r Combine like terms: 2r + -1r = 1r 4 + 1r = 1 + r + -1r Combine like terms: r + -1r = 0 4 + 1r = 1 + 0 4 + 1r = 1 Add '-4' to each side of the equation. 4 + -4 + 1r = 1 + -4 Combine like terms: 4 + -4 = 0 0 + 1r = 1 + -4 1r = 1 + -4 Combine like terms: 1 + -4 = -3 1r = -3 Divide each side by '1'. r = -3 Simplifying r = -3
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