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Simplifying 7.5x + 2.5 = 20 + 2.5x Reorder the terms: 2.5 + 7.5x = 20 + 2.5x Solving 2.5 + 7.5x = 20 + 2.5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5x' to each side of the equation. 2.5 + 7.5x + -2.5x = 20 + 2.5x + -2.5x Combine like terms: 7.5x + -2.5x = 5x 2.5 + 5x = 20 + 2.5x + -2.5x Combine like terms: 2.5x + -2.5x = 0.0 2.5 + 5x = 20 + 0.0 2.5 + 5x = 20 Add '-2.5' to each side of the equation. 2.5 + -2.5 + 5x = 20 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + 5x = 20 + -2.5 5x = 20 + -2.5 Combine like terms: 20 + -2.5 = 17.5 5x = 17.5 Divide each side by '5'. x = 3.5 Simplifying x = 3.5
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