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Simplifying -8a + -2(11 + -2a) + 4 = -4a -8a + (11 * -2 + -2a * -2) + 4 = -4a -8a + (-22 + 4a) + 4 = -4a Reorder the terms: -22 + 4 + -8a + 4a = -4a Combine like terms: -22 + 4 = -18 -18 + -8a + 4a = -4a Combine like terms: -8a + 4a = -4a -18 + -4a = -4a Add '4a' to each side of the equation. -18 + -4a + 4a = -4a + 4a Combine like terms: -4a + 4a = 0 -18 + 0 = -4a + 4a -18 = -4a + 4a Combine like terms: -4a + 4a = 0 -18 = 0 Solving -18 = 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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