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Simplifying 5r + 12 = r + 2 Reorder the terms: 12 + 5r = r + 2 Reorder the terms: 12 + 5r = 2 + r Solving 12 + 5r = 2 + 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. 12 + 5r + -1r = 2 + r + -1r Combine like terms: 5r + -1r = 4r 12 + 4r = 2 + r + -1r Combine like terms: r + -1r = 0 12 + 4r = 2 + 0 12 + 4r = 2 Add '-12' to each side of the equation. 12 + -12 + 4r = 2 + -12 Combine like terms: 12 + -12 = 0 0 + 4r = 2 + -12 4r = 2 + -12 Combine like terms: 2 + -12 = -10 4r = -10 Divide each side by '4'. r = -2.5 Simplifying r = -2.5
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