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Simplifying 81 + -2x = 25x + 15 Reorder the terms: 81 + -2x = 15 + 25x Solving 81 + -2x = 15 + 25x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-25x' to each side of the equation. 81 + -2x + -25x = 15 + 25x + -25x Combine like terms: -2x + -25x = -27x 81 + -27x = 15 + 25x + -25x Combine like terms: 25x + -25x = 0 81 + -27x = 15 + 0 81 + -27x = 15 Add '-81' to each side of the equation. 81 + -81 + -27x = 15 + -81 Combine like terms: 81 + -81 = 0 0 + -27x = 15 + -81 -27x = 15 + -81 Combine like terms: 15 + -81 = -66 -27x = -66 Divide each side by '-27'. x = 2.444444444 Simplifying x = 2.444444444
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