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Simplifying (x + 3) = x + 9 Reorder the terms: (3 + x) = x + 9 Remove parenthesis around (3 + x) 3 + x = x + 9 Reorder the terms: 3 + x = 9 + x Add '-1x' to each side of the equation. 3 + x + -1x = 9 + x + -1x Combine like terms: x + -1x = 0 3 + 0 = 9 + x + -1x 3 = 9 + x + -1x Combine like terms: x + -1x = 0 3 = 9 + 0 3 = 9 Solving 3 = 9 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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