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Simplifying -3 + -4(1 + -1x) = 2(2x + 3) -3 + (1 * -4 + -1x * -4) = 2(2x + 3) -3 + (-4 + 4x) = 2(2x + 3) Combine like terms: -3 + -4 = -7 -7 + 4x = 2(2x + 3) Reorder the terms: -7 + 4x = 2(3 + 2x) -7 + 4x = (3 * 2 + 2x * 2) -7 + 4x = (6 + 4x) Add '-4x' to each side of the equation. -7 + 4x + -4x = 6 + 4x + -4x Combine like terms: 4x + -4x = 0 -7 + 0 = 6 + 4x + -4x -7 = 6 + 4x + -4x Combine like terms: 4x + -4x = 0 -7 = 6 + 0 -7 = 6 Solving -7 = 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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