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Simplifying 2r + 4 + -2r + 6 = 0 Reorder the terms: 4 + 6 + 2r + -2r = 0 Combine like terms: 4 + 6 = 10 10 + 2r + -2r = 0 Combine like terms: 2r + -2r = 0 10 + 0 = 0 10 = 0 Solving 10 = 0 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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