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Simplifying 28 = 21x Solving 28 = 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. 28 + -21x = 21x + -21x Combine like terms: 21x + -21x = 0 28 + -21x = 0 Add '-28' to each side of the equation. 28 + -28 + -21x = 0 + -28 Combine like terms: 28 + -28 = 0 0 + -21x = 0 + -28 -21x = 0 + -28 Combine like terms: 0 + -28 = -28 -21x = -28 Divide each side by '-21'. x = 1.333333333 Simplifying x = 1.333333333
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