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Simplifying x + 12.5 = -3.5x Reorder the terms: 12.5 + x = -3.5x Solving 12.5 + x = -3.5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5x' to each side of the equation. 12.5 + x + 3.5x = -3.5x + 3.5x Combine like terms: x + 3.5x = 4.5x 12.5 + 4.5x = -3.5x + 3.5x Combine like terms: -3.5x + 3.5x = 0.0 12.5 + 4.5x = 0.0 Add '-12.5' to each side of the equation. 12.5 + -12.5 + 4.5x = 0.0 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + 4.5x = 0.0 + -12.5 4.5x = 0.0 + -12.5 Combine like terms: 0.0 + -12.5 = -12.5 4.5x = -12.5 Divide each side by '4.5'. x = -2.777777778 Simplifying x = -2.777777778
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