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Simplifying 11 + -2a = -1a + -1(a + -4) Reorder the terms: 11 + -2a = -1a + -1(-4 + a) 11 + -2a = -1a + (-4 * -1 + a * -1) 11 + -2a = -1a + (4 + -1a) Reorder the terms: 11 + -2a = 4 + -1a + -1a Combine like terms: -1a + -1a = -2a 11 + -2a = 4 + -2a Add '2a' to each side of the equation. 11 + -2a + 2a = 4 + -2a + 2a Combine like terms: -2a + 2a = 0 11 + 0 = 4 + -2a + 2a 11 = 4 + -2a + 2a Combine like terms: -2a + 2a = 0 11 = 4 + 0 11 = 4 Solving 11 = 4 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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