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Simplifying 2x + (-2x + 7.5) = 6 Reorder the terms: 2x + (7.5 + -2x) = 6 Remove parenthesis around (7.5 + -2x) 2x + 7.5 + -2x = 6 Reorder the terms: 7.5 + 2x + -2x = 6 Combine like terms: 2x + -2x = 0 7.5 + 0 = 6 7.5 = 6 Solving 7.5 = 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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