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Simplifying 5(2.6x + 3.9) = 5 Reorder the terms: 5(3.9 + 2.6x) = 5 (3.9 * 5 + 2.6x * 5) = 5 (19.5 + 13x) = 5 Solving 19.5 + 13x = 5 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-19.5' to each side of the equation. 19.5 + -19.5 + 13x = 5 + -19.5 Combine like terms: 19.5 + -19.5 = 0.0 0.0 + 13x = 5 + -19.5 13x = 5 + -19.5 Combine like terms: 5 + -19.5 = -14.5 13x = -14.5 Divide each side by '13'. x = -1.115384615 Simplifying x = -1.115384615
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