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Simplifying -2(1 + 3a) = -6(a + -1) (1 * -2 + 3a * -2) = -6(a + -1) (-2 + -6a) = -6(a + -1) Reorder the terms: -2 + -6a = -6(-1 + a) -2 + -6a = (-1 * -6 + a * -6) -2 + -6a = (6 + -6a) Add '6a' to each side of the equation. -2 + -6a + 6a = 6 + -6a + 6a Combine like terms: -6a + 6a = 0 -2 + 0 = 6 + -6a + 6a -2 = 6 + -6a + 6a Combine like terms: -6a + 6a = 0 -2 = 6 + 0 -2 = 6 Solving -2 = 6 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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