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Simplifying 3z + 1 = 3z + -1 Reorder the terms: 1 + 3z = 3z + -1 Reorder the terms: 1 + 3z = -1 + 3z Add '-3z' to each side of the equation. 1 + 3z + -3z = -1 + 3z + -3z Combine like terms: 3z + -3z = 0 1 + 0 = -1 + 3z + -3z 1 = -1 + 3z + -3z Combine like terms: 3z + -3z = 0 1 = -1 + 0 1 = -1 Solving 1 = -1 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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