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Simplifying 7.5x + -6 + -4.5 = 20.5 Reorder the terms: -6 + -4.5 + 7.5x = 20.5 Combine like terms: -6 + -4.5 = -10.5 -10.5 + 7.5x = 20.5 Solving -10.5 + 7.5x = 20.5 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10.5' to each side of the equation. -10.5 + 10.5 + 7.5x = 20.5 + 10.5 Combine like terms: -10.5 + 10.5 = 0.0 0.0 + 7.5x = 20.5 + 10.5 7.5x = 20.5 + 10.5 Combine like terms: 20.5 + 10.5 = 31 7.5x = 31 Divide each side by '7.5'. x = 4.133333333 Simplifying x = 4.133333333
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