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Simplifying 7x + 7.5 = 2x + -12 Reorder the terms: 7.5 + 7x = 2x + -12 Reorder the terms: 7.5 + 7x = -12 + 2x Solving 7.5 + 7x = -12 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 7.5 + 7x + -2x = -12 + 2x + -2x Combine like terms: 7x + -2x = 5x 7.5 + 5x = -12 + 2x + -2x Combine like terms: 2x + -2x = 0 7.5 + 5x = -12 + 0 7.5 + 5x = -12 Add '-7.5' to each side of the equation. 7.5 + -7.5 + 5x = -12 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + 5x = -12 + -7.5 5x = -12 + -7.5 Combine like terms: -12 + -7.5 = -19.5 5x = -19.5 Divide each side by '5'. x = -3.9 Simplifying x = -3.9
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