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Simplifying 4(a + 2) = 12 + -2(3 + -2a) Reorder the terms: 4(2 + a) = 12 + -2(3 + -2a) (2 * 4 + a * 4) = 12 + -2(3 + -2a) (8 + 4a) = 12 + -2(3 + -2a) 8 + 4a = 12 + (3 * -2 + -2a * -2) 8 + 4a = 12 + (-6 + 4a) Combine like terms: 12 + -6 = 6 8 + 4a = 6 + 4a Add '-4a' to each side of the equation. 8 + 4a + -4a = 6 + 4a + -4a Combine like terms: 4a + -4a = 0 8 + 0 = 6 + 4a + -4a 8 = 6 + 4a + -4a Combine like terms: 4a + -4a = 0 8 = 6 + 0 8 = 6 Solving 8 = 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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