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Simplifying 7x + 25 = 4x + -21 Reorder the terms: 25 + 7x = 4x + -21 Reorder the terms: 25 + 7x = -21 + 4x Solving 25 + 7x = -21 + 4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x' to each side of the equation. 25 + 7x + -4x = -21 + 4x + -4x Combine like terms: 7x + -4x = 3x 25 + 3x = -21 + 4x + -4x Combine like terms: 4x + -4x = 0 25 + 3x = -21 + 0 25 + 3x = -21 Add '-25' to each side of the equation. 25 + -25 + 3x = -21 + -25 Combine like terms: 25 + -25 = 0 0 + 3x = -21 + -25 3x = -21 + -25 Combine like terms: -21 + -25 = -46 3x = -46 Divide each side by '3'. x = -15.33333333 Simplifying x = -15.33333333
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