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Simplifying (u + 4) = (u + -3) Reorder the terms: (4 + u) = (u + -3) Remove parenthesis around (4 + u) 4 + u = (u + -3) Reorder the terms: 4 + u = (-3 + u) Remove parenthesis around (-3 + u) 4 + u = -3 + u Add '-1u' to each side of the equation. 4 + u + -1u = -3 + u + -1u Combine like terms: u + -1u = 0 4 + 0 = -3 + u + -1u 4 = -3 + u + -1u Combine like terms: u + -1u = 0 4 = -3 + 0 4 = -3 Solving 4 = -3 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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