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Simplifying z + -23 = z + -39 Reorder the terms: -23 + z = z + -39 Reorder the terms: -23 + z = -39 + z Add '-1z' to each side of the equation. -23 + z + -1z = -39 + z + -1z Combine like terms: z + -1z = 0 -23 + 0 = -39 + z + -1z -23 = -39 + z + -1z Combine like terms: z + -1z = 0 -23 = -39 + 0 -23 = -39 Solving -23 = -39 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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