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Simplifying (2x + 4) = (2x + -4) + -8 Reorder the terms: (4 + 2x) = (2x + -4) + -8 Remove parenthesis around (4 + 2x) 4 + 2x = (2x + -4) + -8 Reorder the terms: 4 + 2x = (-4 + 2x) + -8 Remove parenthesis around (-4 + 2x) 4 + 2x = -4 + 2x + -8 Reorder the terms: 4 + 2x = -4 + -8 + 2x Combine like terms: -4 + -8 = -12 4 + 2x = -12 + 2x Add '-2x' to each side of the equation. 4 + 2x + -2x = -12 + 2x + -2x Combine like terms: 2x + -2x = 0 4 + 0 = -12 + 2x + -2x 4 = -12 + 2x + -2x Combine like terms: 2x + -2x = 0 4 = -12 + 0 4 = -12 Solving 4 = -12 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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