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Simplifying 81 = x(2) Reorder the terms for easier multiplication: 81 = 2x Solving 81 = 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 81 + -2x = 2x + -2x Combine like terms: 2x + -2x = 0 81 + -2x = 0 Add '-81' to each side of the equation. 81 + -81 + -2x = 0 + -81 Combine like terms: 81 + -81 = 0 0 + -2x = 0 + -81 -2x = 0 + -81 Combine like terms: 0 + -81 = -81 -2x = -81 Divide each side by '-2'. x = 40.5 Simplifying x = 40.5
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