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Simplifying 7.5 + x = -2x + -15 Reorder the terms: 7.5 + x = -15 + -2x Solving 7.5 + x = -15 + -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 + x + 2x = -15 + -2x + 2x Combine like terms: x + 2x = 3x 7.5 + 3x = -15 + -2x + 2x Combine like terms: -2x + 2x = 0 7.5 + 3x = -15 + 0 7.5 + 3x = -15 Add '-7.5' to each side of the equation. 7.5 + -7.5 + 3x = -15 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + 3x = -15 + -7.5 3x = -15 + -7.5 Combine like terms: -15 + -7.5 = -22.5 3x = -22.5 Divide each side by '3'. x = -7.5 Simplifying x = -7.5
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