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Simplifying 2(2x + 6.9) = 18.6 Reorder the terms: 2(6.9 + 2x) = 18.6 (6.9 * 2 + 2x * 2) = 18.6 (13.8 + 4x) = 18.6 Solving 13.8 + 4x = 18.6 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13.8' to each side of the equation. 13.8 + -13.8 + 4x = 18.6 + -13.8 Combine like terms: 13.8 + -13.8 = 0.0 0.0 + 4x = 18.6 + -13.8 4x = 18.6 + -13.8 Combine like terms: 18.6 + -13.8 = 4.8 4x = 4.8 Divide each side by '4'. x = 1.2 Simplifying x = 1.2
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