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Simplifying 21x + 8 = 7x + 23 Reorder the terms: 8 + 21x = 7x + 23 Reorder the terms: 8 + 21x = 23 + 7x Solving 8 + 21x = 23 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. 8 + 21x + -7x = 23 + 7x + -7x Combine like terms: 21x + -7x = 14x 8 + 14x = 23 + 7x + -7x Combine like terms: 7x + -7x = 0 8 + 14x = 23 + 0 8 + 14x = 23 Add '-8' to each side of the equation. 8 + -8 + 14x = 23 + -8 Combine like terms: 8 + -8 = 0 0 + 14x = 23 + -8 14x = 23 + -8 Combine like terms: 23 + -8 = 15 14x = 15 Divide each side by '14'. x = 1.071428571 Simplifying x = 1.071428571
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