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Simplifying 5 + 42x = 21x + 8 Reorder the terms: 5 + 42x = 8 + 21x Solving 5 + 42x = 8 + 21x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21x' to each side of the equation. 5 + 42x + -21x = 8 + 21x + -21x Combine like terms: 42x + -21x = 21x 5 + 21x = 8 + 21x + -21x Combine like terms: 21x + -21x = 0 5 + 21x = 8 + 0 5 + 21x = 8 Add '-5' to each side of the equation. 5 + -5 + 21x = 8 + -5 Combine like terms: 5 + -5 = 0 0 + 21x = 8 + -5 21x = 8 + -5 Combine like terms: 8 + -5 = 3 21x = 3 Divide each side by '21'. x = 0.1428571429 Simplifying x = 0.1428571429
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