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Simplifying -2x + 2x + 4 = 6 Reorder the terms: 4 + -2x + 2x = 6 Combine like terms: -2x + 2x = 0 4 + 0 = 6 4 = 6 Solving 4 = 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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