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