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Simplifying -2a + 7 = -1(2a + -3) Reorder the terms: 7 + -2a = -1(2a + -3) Reorder the terms: 7 + -2a = -1(-3 + 2a) 7 + -2a = (-3 * -1 + 2a * -1) 7 + -2a = (3 + -2a) Add '2a' to each side of the equation. 7 + -2a + 2a = 3 + -2a + 2a Combine like terms: -2a + 2a = 0 7 + 0 = 3 + -2a + 2a 7 = 3 + -2a + 2a Combine like terms: -2a + 2a = 0 7 = 3 + 0 7 = 3 Solving 7 = 3 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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