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Simplifying 8.1 = (3)(x)(1.5) Reorder the terms for easier multiplication: 8.1 = 3 * 1.5x Multiply 3 * 1.5 8.1 = 4.5x Solving 8.1 = 4.5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.5x' to each side of the equation. 8.1 + -4.5x = 4.5x + -4.5x Combine like terms: 4.5x + -4.5x = 0.0 8.1 + -4.5x = 0.0 Add '-8.1' to each side of the equation. 8.1 + -8.1 + -4.5x = 0.0 + -8.1 Combine like terms: 8.1 + -8.1 = 0.0 0.0 + -4.5x = 0.0 + -8.1 -4.5x = 0.0 + -8.1 Combine like terms: 0.0 + -8.1 = -8.1 -4.5x = -8.1 Divide each side by '-4.5'. x = 1.8 Simplifying x = 1.8

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