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Simplifying 2(a + -2) = 2(a + -3) + -2 Reorder the terms: 2(-2 + a) = 2(a + -3) + -2 (-2 * 2 + a * 2) = 2(a + -3) + -2 (-4 + 2a) = 2(a + -3) + -2 Reorder the terms: -4 + 2a = 2(-3 + a) + -2 -4 + 2a = (-3 * 2 + a * 2) + -2 -4 + 2a = (-6 + 2a) + -2 Reorder the terms: -4 + 2a = -6 + -2 + 2a Combine like terms: -6 + -2 = -8 -4 + 2a = -8 + 2a Add '-2a' to each side of the equation. -4 + 2a + -2a = -8 + 2a + -2a Combine like terms: 2a + -2a = 0 -4 + 0 = -8 + 2a + -2a -4 = -8 + 2a + -2a Combine like terms: 2a + -2a = 0 -4 = -8 + 0 -4 = -8 Solving -4 = -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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