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Simplifying 23 + 18r = 16r + 47 Reorder the terms: 23 + 18r = 47 + 16r Solving 23 + 18r = 47 + 16r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-16r' to each side of the equation. 23 + 18r + -16r = 47 + 16r + -16r Combine like terms: 18r + -16r = 2r 23 + 2r = 47 + 16r + -16r Combine like terms: 16r + -16r = 0 23 + 2r = 47 + 0 23 + 2r = 47 Add '-23' to each side of the equation. 23 + -23 + 2r = 47 + -23 Combine like terms: 23 + -23 = 0 0 + 2r = 47 + -23 2r = 47 + -23 Combine like terms: 47 + -23 = 24 2r = 24 Divide each side by '2'. r = 12 Simplifying r = 12
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