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Simplifying 3(7x + 6) = 21x + 8 Reorder the terms: 3(6 + 7x) = 21x + 8 (6 * 3 + 7x * 3) = 21x + 8 (18 + 21x) = 21x + 8 Reorder the terms: 18 + 21x = 8 + 21x Add '-21x' to each side of the equation. 18 + 21x + -21x = 8 + 21x + -21x Combine like terms: 21x + -21x = 0 18 + 0 = 8 + 21x + -21x 18 = 8 + 21x + -21x Combine like terms: 21x + -21x = 0 18 = 8 + 0 18 = 8 Solving 18 = 8 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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