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Simplifying 2a + 7 = 2a Reorder the terms: 7 + 2a = 2a Add '-2a' to each side of the equation. 7 + 2a + -2a = 2a + -2a Combine like terms: 2a + -2a = 0 7 + 0 = 2a + -2a 7 = 2a + -2a Combine like terms: 2a + -2a = 0 7 = 0 Solving 7 = 0 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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