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Simplifying 15x + 30 = 8x + -80 Reorder the terms: 30 + 15x = 8x + -80 Reorder the terms: 30 + 15x = -80 + 8x Solving 30 + 15x = -80 + 8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8x' to each side of the equation. 30 + 15x + -8x = -80 + 8x + -8x Combine like terms: 15x + -8x = 7x 30 + 7x = -80 + 8x + -8x Combine like terms: 8x + -8x = 0 30 + 7x = -80 + 0 30 + 7x = -80 Add '-30' to each side of the equation. 30 + -30 + 7x = -80 + -30 Combine like terms: 30 + -30 = 0 0 + 7x = -80 + -30 7x = -80 + -30 Combine like terms: -80 + -30 = -110 7x = -110 Divide each side by '7'. x = -15.71428571 Simplifying x = -15.71428571
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