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Simplifying 7x + 4 + x = 3 + 3x + -24 Reorder the terms: 4 + 7x + x = 3 + 3x + -24 Combine like terms: 7x + x = 8x 4 + 8x = 3 + 3x + -24 Reorder the terms: 4 + 8x = 3 + -24 + 3x Combine like terms: 3 + -24 = -21 4 + 8x = -21 + 3x Solving 4 + 8x = -21 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. 4 + 8x + -3x = -21 + 3x + -3x Combine like terms: 8x + -3x = 5x 4 + 5x = -21 + 3x + -3x Combine like terms: 3x + -3x = 0 4 + 5x = -21 + 0 4 + 5x = -21 Add '-4' to each side of the equation. 4 + -4 + 5x = -21 + -4 Combine like terms: 4 + -4 = 0 0 + 5x = -21 + -4 5x = -21 + -4 Combine like terms: -21 + -4 = -25 5x = -25 Divide each side by '5'. x = -5 Simplifying x = -5

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