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Simplifying 8x + -21 = 0.5x + 3 Reorder the terms: -21 + 8x = 0.5x + 3 Reorder the terms: -21 + 8x = 3 + 0.5x Solving -21 + 8x = 3 + 0.5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5x' to each side of the equation. -21 + 8x + -0.5x = 3 + 0.5x + -0.5x Combine like terms: 8x + -0.5x = 7.5x -21 + 7.5x = 3 + 0.5x + -0.5x Combine like terms: 0.5x + -0.5x = 0.0 -21 + 7.5x = 3 + 0.0 -21 + 7.5x = 3 Add '21' to each side of the equation. -21 + 21 + 7.5x = 3 + 21 Combine like terms: -21 + 21 = 0 0 + 7.5x = 3 + 21 7.5x = 3 + 21 Combine like terms: 3 + 21 = 24 7.5x = 24 Divide each side by '7.5'. x = 3.2 Simplifying x = 3.2
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