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Simplifying 13x + 7 = 13x + 8 Reorder the terms: 7 + 13x = 13x + 8 Reorder the terms: 7 + 13x = 8 + 13x Add '-13x' to each side of the equation. 7 + 13x + -13x = 8 + 13x + -13x Combine like terms: 13x + -13x = 0 7 + 0 = 8 + 13x + -13x 7 = 8 + 13x + -13x Combine like terms: 13x + -13x = 0 7 = 8 + 0 7 = 8 Solving 7 = 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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