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Simplifying 7(a + 2) + -5 = 7a Reorder the terms: 7(2 + a) + -5 = 7a (2 * 7 + a * 7) + -5 = 7a (14 + 7a) + -5 = 7a Reorder the terms: 14 + -5 + 7a = 7a Combine like terms: 14 + -5 = 9 9 + 7a = 7a Add '-7a' to each side of the equation. 9 + 7a + -7a = 7a + -7a Combine like terms: 7a + -7a = 0 9 + 0 = 7a + -7a 9 = 7a + -7a Combine like terms: 7a + -7a = 0 9 = 0 Solving 9 = 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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