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Simplifying 3(3a + -1) = 6a + 3(a + 1) Reorder the terms: 3(-1 + 3a) = 6a + 3(a + 1) (-1 * 3 + 3a * 3) = 6a + 3(a + 1) (-3 + 9a) = 6a + 3(a + 1) Reorder the terms: -3 + 9a = 6a + 3(1 + a) -3 + 9a = 6a + (1 * 3 + a * 3) -3 + 9a = 6a + (3 + 3a) Reorder the terms: -3 + 9a = 3 + 6a + 3a Combine like terms: 6a + 3a = 9a -3 + 9a = 3 + 9a Add '-9a' to each side of the equation. -3 + 9a + -9a = 3 + 9a + -9a Combine like terms: 9a + -9a = 0 -3 + 0 = 3 + 9a + -9a -3 = 3 + 9a + -9a Combine like terms: 9a + -9a = 0 -3 = 3 + 0 -3 = 3 Solving -3 = 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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