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Simplifying 7(3x + 2) = 21x + 3 Reorder the terms: 7(2 + 3x) = 21x + 3 (2 * 7 + 3x * 7) = 21x + 3 (14 + 21x) = 21x + 3 Reorder the terms: 14 + 21x = 3 + 21x Add '-21x' to each side of the equation. 14 + 21x + -21x = 3 + 21x + -21x Combine like terms: 21x + -21x = 0 14 + 0 = 3 + 21x + -21x 14 = 3 + 21x + -21x Combine like terms: 21x + -21x = 0 14 = 3 + 0 14 = 3 Solving 14 = 3 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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