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Simplifying (2x + 5) = 81 Reorder the terms: (5 + 2x) = 81 Remove parenthesis around (5 + 2x) 5 + 2x = 81 Solving 5 + 2x = 81 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2x = 81 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 81 + -5 2x = 81 + -5 Combine like terms: 81 + -5 = 76 2x = 76 Divide each side by '2'. x = 38 Simplifying x = 38
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